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Alza Days – Our Brands - Fitness Tracker Accessories

Alza Days – Our brands
  • The offer is valid from June 1st, 2026, to June 22nd, 2026, and applies to selected products listed on this page.
  • The complete terms and conditions of the campaign can be found here.
All from 345
Eternico Airy Universal Quick Release 20mm Stone Purple and Violet Edge - Watch Strap
Eternico Airy Universal Quick Release 20mm Stone Purple and Violet Edge
Great price 249,-
In stock > 10 pcs
10+ colors
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNY20 199,- The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 20 % s kódem ALZADNY20. Klikněte a kód se uplatní automaticky.
Watch Strap - for Garmin, Samsung, ALIGATOR, Huawei, Withings, WOWME, Amazfit, Armodd, Niceboy, LAMAX, Honor, Polar, Carneo, Haylou, Kospet, Myki, myPhone and KLOKI, material...
Added to cart
- +
Eternico Airy Universal Quick Release 20mm Elephant Gray and Black edge - Watch Strap
Eternico Airy Universal Quick Release 20mm Elephant Gray and Black edge
Great price 249,-
In stock > 10 pcs
10+ colors
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNY20 199,- The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 20 % s kódem ALZADNY20. Klikněte a kód se uplatní automaticky.
Watch Strap - for Garmin, Samsung, ALIGATOR, Huawei, Withings, WOWME, Amazfit, Armodd, Niceboy, LAMAX, Honor, Polar, Carneo, Haylou, Kospet, Myki, myPhone and KLOKI, material...
Added to cart
- +
Eternico Airy for Apple Watch 44mm / 45mm / 46mm / Ultra 49mm Aquamarine Blue and Gray edge - Watch Strap
Eternico Airy for Apple Watch 44mm / 45mm / 46mm / Ultra 49mm Aquamarine Blue and Gray edge
Great price 249,-
In stock > 10 pcs
10+ colors
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNY20 199,- The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 20 % s kódem ALZADNY20. Klikněte a kód se uplatní automaticky.
Watch Strap - for Apple Watch 44/45/46/49mm and 42mm (Apple Watch Series 1,2,3), material nylon, uses 24mm Apple slide, fits wrist circumference from 14.5 to 22 cm, grey colour
Added to cart
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Eternico Airy for Apple Watch 44mm / 45mm / 46mm / Ultra 49mm Thunder Blue and Blue edge - Watch Strap
Eternico Airy for Apple Watch 44mm / 45mm / 46mm / Ultra 49mm Thunder Blue and Blue edge
Great price 249,-
In stock > 10 pcs
10+ colors
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNY20 199,- The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 20 % s kódem ALZADNY20. Klikněte a kód se uplatní automaticky.
Watch Strap - for Apple Watch 44/45/46/49mm and 42mm (Apple Watch Series 1,2,3), material nylon, uses 24mm Apple slide, fits wrist circumference from 14.5 to 22 cm, blue colour
Added to cart
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Eternico Elegance Metal pro Universal Quick Release 22mm silver - Watch Strap
Eternico Elegance Metal pro Universal Quick Release 22mm silver
Great price 499,-
In stock > 10 pcs
2 colors
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNY20 399,- The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 20 % s kódem ALZADNY20. Klikněte a kód se uplatní automaticky.
Watch Strap - for Garmin, Xiaomi, Samsung, ALIGATOR, Huawei, WOWME, Amazfit, Armodd, Niceboy, LAMAX, Polar, Suunto, Carneo, Kospet and CMF, material stainless steel, uses 22mm...
Added to cart
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Eternico Airy for Apple Watch 38mm / 40mm / 41mm / 42mm Silk Pink and Gold edge - Watch Strap
Eternico Airy for Apple Watch 38mm / 40mm / 41mm / 42mm Silk Pink and Gold edge
Great price 249,-
In stock > 10 pcs
10+ colors
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNY20 199,- The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 20 % s kódem ALZADNY20. Klikněte a kód se uplatní automaticky.
Watch Strap - for Apple Watch 38/40/41mm and 42mm (Apple Watch Series 10), material nylon, uses 22mm Apple slide, fits wrist circumference from 13 to 19 cm, pink colour
Added to cart
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Eternico Airy for Apple Watch 44mm / 45mm / 46mm / Ultra 49mm Beet Red and Pink edge - Watch Strap
Eternico Airy for Apple Watch 44mm / 45mm / 46mm / Ultra 49mm Beet Red and Pink edge
Great price 299,-
In stock > 10 pcs
10+ colors
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNY20 239,- The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 20 % s kódem ALZADNY20. Klikněte a kód se uplatní automaticky.
Watch Strap - for Apple Watch 44/45/46/49mm and 42mm (Apple Watch Series 1,2,3), material nylon, uses 24mm Apple slide, fits wrist circumference from 14.5 to 22 cm, pink colour
Added to cart
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Eternico Sporty for Apple Watch 38mm / 40mm / 41mm / 42mm Cloud White and Pink - Watch Strap
Eternico Sporty for Apple Watch 38mm / 40mm / 41mm / 42mm Cloud White and Pink
Great price 149,-
In stock > 10 pcs
6 colors
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNY20 119,- The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 20 % s kódem ALZADNY20. Klikněte a kód se uplatní automaticky.
Watch Strap - for Apple Watch 38/40/41mm and 42mm (Apple Watch Series 10), material silicone, uses 22mm Apple slide, fits wrist circumference from 14 to 17.5 cm, pink colour,...
Added to cart
- +
Eternico Essential for Apple Watch 38mm / 40mm / 41mm / 42mm atlas red size S-M - Watch Strap
Eternico Essential for Apple Watch 38mm / 40mm / 41mm / 42mm atlas red size S-M
Great price 219,-
In stock > 10 pcs
10+ colors
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNY20 175,- The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 20 % s kódem ALZADNY20. Klikněte a kód se uplatní automaticky.
Watch Strap - for Apple Watch 38/40/41mm and 42mm (Apple Watch Series 10), material silicone, uses 22mm Apple slide, fits wrist circumference from 14 to 17.5 cm, red colour
Added to cart
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AlzaPower USB-C charging/data cable for Garmin Fenix, Vívoactive, Venu, Forerunner - 1.5m - Watch Charger
AlzaPower USB-C charging/data cable for Garmin Fenix, Vívoactive, Venu, Forerunner - 1.5m
Great price 259,-
In stock > 10 pcs
7 variants
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNY20 207,- The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 20 % s kódem ALZADNY20. Klikněte a kód se uplatní automaticky.
Watch Charger
Added to cart
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Eternico Nylon Loop Strap for Garmin QuickFit 26mm gray - Watch Strap
Eternico Nylon Loop Strap for Garmin QuickFit 26mm gray
Great price 399,-
In stock > 10 pcs
2 colors
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNY20 319,- The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 20 % s kódem ALZADNY20. Klikněte a kód se uplatní automaticky.
Watch Strap - for Garmin and Amazfit, material nylon, uses 26mm Garmin QuickFit, fits wrist circumference from 14.3 to 21.5 cm, grey colour
Added to cart
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Eternico Airy for Xiaomi Smart Band 8 / 9 / 10 Baby Pink - Watch Strap
Eternico Airy for Xiaomi Smart Band 8 / 9 / 10 Baby Pink
Great price 179,-
In stock > 10 pcs
9 colors
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNY20 143,- The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 20 % s kódem ALZADNY20. Klikněte a kód se uplatní automaticky.
Watch Strap - for Xiaomi, material nylon, with proprietary connection type, fits wrist circumference from 17 to 22 cm, pink colour
Added to cart
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AlzaPower charging cable for Xiaomi Mi Band 5 / 6 / 7 - 0.5m - Watch Charger
AlzaPower charging cable for Xiaomi Mi Band 5 / 6 / 7 - 0.5m
Great price 129,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNY20 103,- The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 20 % s kódem ALZADNY20. Klikněte a kód se uplatní automaticky.
Watch Charger
Added to cart
- +
Eternico Essential Universal Quick Release 22mm Elephant Gray - Watch Strap
Eternico Essential Universal Quick Release 22mm Elephant Gray
Great price 199,-
In stock > 10 pcs
5 colors
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNY20 159,- The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 20 % s kódem ALZADNY20. Klikněte a kód se uplatní automaticky.
Watch Strap - for Garmin, Xiaomi, Samsung, ALIGATOR, Huawei, WOWME, Amazfit, Armodd, Niceboy, LAMAX, Polar, Suunto, Carneo, Canyon, Haylou, Kospet, CMF, Oneplus and myPhone,...
Added to cart
- +
Eternico Essential for Apple Watch 44mm / 45mm / 46mm / Ultra 49mm cloud white size M-L - Watch Strap
Eternico Essential for Apple Watch 44mm / 45mm / 46mm / Ultra 49mm cloud white size M-L
Great price 219,-
In stock > 10 pcs
6 colors
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNY20 175,- The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 20 % s kódem ALZADNY20. Klikněte a kód se uplatní automaticky.
Watch Strap - for Apple Watch 44/45/46/49mm and 42mm (Apple Watch Series 1,2,3), material silicone, uses 24mm Apple slide, fits wrist circumference from 17.5 to 21 cm, white colour...
Added to cart
- +
Eternico Essential Universal QuickFit 20mm Solid Black - Watch Strap
Eternico Essential Universal QuickFit 20mm Solid Black
Great price 299,-
In stock > 10 pcs
2 colors
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNY20 239,- The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 20 % s kódem ALZADNY20. Klikněte a kód se uplatní automaticky.
Watch Strap - for Garmin, material silicone, uses 20mm Garmin QuickFit, fits wrist circumference from 15.6 to 22.2 cm, black colour
Added to cart
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Eternico Sporty for Apple Watch 38mm / 40mm / 41mm / 42mm Dark Gray and White - Watch Strap
Eternico Sporty for Apple Watch 38mm / 40mm / 41mm / 42mm Dark Gray and White
Great price 149,-
In stock > 10 pcs
6 colors
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNY20 119,- The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 20 % s kódem ALZADNY20. Klikněte a kód se uplatní automaticky.
Watch Strap - for Apple Watch 38/40/41mm and 42mm (Apple Watch Series 10), material silicone, uses 22mm Apple slide, fits wrist circumference from 14 to 17.5 cm, white colour,...
Added to cart
- +
Eternico Essential with Metal Buckle Universal Quick Release 20mm Bunny Pink - Watch Strap
Eternico Essential with Metal Buckle Universal Quick Release 20mm Bunny Pink
Great price 199,-
In stock > 10 pcs
5 colors
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNY20 159,- The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 20 % s kódem ALZADNY20. Klikněte a kód se uplatní automaticky.
Watch Strap - for Garmin, Samsung, ALIGATOR, Huawei, Withings, WOWME, Amazfit, Armodd, Niceboy, LAMAX, Honor, Polar, Carneo, Kospet, myPhone and KLOKI, material silicone, uses 20mm...
Added to cart
- +
Eternico Essential for Apple Watch 38mm / 40mm / 41mm / 42mm pastel green size S-M - Watch Strap
Eternico Essential for Apple Watch 38mm / 40mm / 41mm / 42mm pastel green size S-M
Great price 219,-
In stock 4 pcs
10+ colors
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNY20 175,- The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 20 % s kódem ALZADNY20. Klikněte a kód se uplatní automaticky.
Watch Strap - for Apple Watch 38/40/41mm and 42mm (Apple Watch Series 10), material silicone, uses 22mm Apple slide, fits wrist circumference from 14 to 17.5 cm, green colour
Added to cart
- +
AlzaPower USB-A charging cable for Samsung Galaxy Watch 1-8, Ultra, Active 2 - 1m - Watch Charger
AlzaPower USB-A charging cable for Samsung Galaxy Watch 1-8, Ultra, Active 2 - 1m
New arrival 329,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNY20 263,- The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 20 % s kódem ALZADNY20. Klikněte a kód se uplatní automaticky.
Watch Charger -
Added to cart
- +
Eternico Elegance Milanese for Universal Quick Release 22mm rose gold - Watch Strap
Eternico Elegance Milanese for Universal Quick Release 22mm rose gold
Great price 249,-
In stock > 10 pcs
4 colors
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNY20 199,- The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 20 % s kódem ALZADNY20. Klikněte a kód se uplatní automaticky.
Watch Strap - for Garmin, Xiaomi, Samsung, ALIGATOR, Huawei, WOWME, Amazfit, Armodd, Niceboy, LAMAX, Polar, Suunto, Carneo, Kospet and CMF, material stainless steel, uses 22mm...
Added to cart
- +
Eternico Essential for Apple Watch 38mm / 40mm / 41mm / 42mm cloud white size M-L - Watch Strap
Eternico Essential for Apple Watch 38mm / 40mm / 41mm / 42mm cloud white size M-L
Great price 199,-
In stock > 10 pcs
6 colors
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNY20 159,- The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 20 % s kódem ALZADNY20. Klikněte a kód se uplatní automaticky.
Watch Strap - for Apple Watch 38/40/41mm and 42mm (Apple Watch Series 10), material silicone, uses 22mm Apple slide, fits wrist circumference from 16 to 20 cm, white colour
Added to cart
- +
Eternico Airy Universal Quick Release 20mm Mountain Green and Green edge - Watch Strap
Eternico Airy Universal Quick Release 20mm Mountain Green and Green edge
Great price 249,-
In stock > 10 pcs
10+ colors
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNY20 199,- The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 20 % s kódem ALZADNY20. Klikněte a kód se uplatní automaticky.
Watch Strap - for Garmin, Samsung, ALIGATOR, Huawei, Withings, WOWME, Amazfit, Armodd, Niceboy, LAMAX, Honor, Polar, Carneo, Haylou, Kospet, Myki, myPhone and KLOKI, material...
Added to cart
- +
Eternico Essential for Apple Watch 44mm / 45mm / 46mm / Ultra 49mm cafe pink size S-M - Watch Strap
Eternico Essential for Apple Watch 44mm / 45mm / 46mm / Ultra 49mm cafe pink size S-M
Great price 219,-
In stock > 10 pcs
8 colors
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNY20 175,- The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 20 % s kódem ALZADNY20. Klikněte a kód se uplatní automaticky.
Watch Strap - for Apple Watch 44/45/46/49mm and 42mm (Apple Watch Series 1,2,3), material silicone, uses 24mm Apple slide, fits wrist circumference from 16 to 19 cm, pink colour
Added to cart
- +
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Alza Days – Our Brands - Fitness Tracker Accessories - additional info

Have you bought an activity tracker and want to spice up your workouts with more thorough heart rate monitoring? Get a chest strap, which is a useful fitness tracker accessory that allows you to train more effectively. Other activity tracker accessories include interchangeable wrist bands, such as those for vivofit2 fitness trackers.

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