Bands for the Galaxy Watch4 40 mm at RPD: sport silicone, leather and stainless-steel Milanese — all with the standard 20 mm quick-release pin. The Galaxy Watch4 (2021) is the first Galaxy Watch with BIA body-composition sensor, ECG and blood-pressure monitoring — and the first with Wear OS (instead of Tizen). The 40 mm size is the more compact option. Same-day dispatch from Basel for orders by 4 pm, free above CHF 15, payment on invoice (credit check required by Powerpay), 14-day return policy and 2-year warranty under Swiss law. A Watch4 repair typically runs CHF 200–400 — a fitting band from CHF 19 is a cheap upgrade.
RPD.ch carries over 9,000 accessories for iPhone, Samsung Galaxy, iPad, MacBook and more. We ship from Basel via Swiss Post (1-3 business days), accept invoice via Powerpay (with credit check) and offer 14-day returns. If nothing in this category matches your need, browse our most popular sections below or contact us - we also source specific accessories on request.
20 mm — standard quick-release. The full selection of 20 mm bands (sport silicone, leather, Milanese) is in our Galaxy Watch 20mm hub category.
Bio-Impedance Analysis — the sensor measures body fat, skeletal muscle mass, bone mass and water content via electrical resistance on the wrist. The Watch4 (2021) was the first Galaxy Watch with BIA.
No — MagSafe is Apple-only and Qi phone pads are too weak/sized for the watch. The Watch4 uses the proprietary Samsung magnetic charging pad. Wireless PowerShare from a Galaxy phone (S20+, S21+, Z-series) also charges the watch.
Both have 20 mm lugs (bands interchangeable) and similar health features. The Watch5 has a skin-temperature sensor and a 13% larger battery. The Watch4 is cheaper second-hand.
In our German-speaking-Switzerland stores we repair Galaxy Watch models with original parts. A display repair typically runs CHF 200–400. 14-day return policy, 2-year Swiss warranty on all parts and bands.
The Galaxy Watch4 (2021) was a turning point — the first Galaxy Watch with Wear OS and the first with a BIA sensor for body-composition measurement (body fat, skeletal muscle, water content) on the wrist. It offers ECG, blood-pressure monitoring (in supported markets), sleep tracking and over 90 sports modes. The 40 mm size is the more compact option with 20 mm lugs.
The Galaxy Watch4 40 mm has standard 20 mm quick-release lugs. Find the full selection of 20 mm bands in our Galaxy Watch 20mm hub category — DUX YA Strap and DUX Mix Pro Strap in several colours (black, brown, grey, pink, red, midnight, multicolour). Sport silicone is the default for training, swimming and outdoor — Milanese gives a classic stainless-steel look — leather is the business variant.
The Galaxy Watch4 40 mm targets athletes, women and lifestyle users. For swimmers sport silicone — chlorine- and saltwater-resistant, 5 ATM. Trail runners choose Trail Loop. Marathon runners benefit from sport silicone. Business users pair Milanese or leather. Lifestyle / fashion users prefer colourful sport bands. Travellers rotate two or three bands — Quick-Swap takes 5 seconds. Sustainable options: bands made from recycled silicone and vegan-leather alternatives are available.
The round AMOLED display of the Watch4 40 mm is vulnerable to scratches in daily use — hydrogel films (for curved displays) are the right choice. A display repair on the Watch4 typically runs CHF 200–400 — protection from CHF 7 pays for itself on first contact with keys, door frames or handlebars.
The Galaxy Watch4 charges via the Samsung magnetic charging pad (proprietary). NOT MagSafe-compatible (Apple-only). NOT Qi-phone-pad-compatible. Wireless PowerShare from compatible Galaxy phones (S20+, S21+, Z-series) works. Cables & power banks are also available from us.
For 20 mm bands we carry DUX (YA Strap, Mix Pro Strap) — robust sport silicones in many colours. Full selection in the 20mm hub category.
20 mm — standard quick-release. The full selection of 20 mm bands (sport silicone, leather, Milanese) is in our Galaxy Watch 20mm hub category.
Bio-Impedance Analysis — the sensor measures body fat, skeletal muscle mass, bone mass and water content via electrical resistance on the wrist. The Watch4 (2021) was the first Galaxy Watch with BIA.
No — MagSafe is Apple-only and Qi phone pads are too weak/sized for the watch. The Watch4 uses the proprietary Samsung magnetic charging pad. Wireless PowerShare from a Galaxy phone (S20+, S21+, Z-series) also charges the watch.
Both have 20 mm lugs (bands interchangeable) and similar health features. The Watch5 has a skin-temperature sensor and a 13% larger battery. The Watch4 is cheaper second-hand.
In our German-speaking-Switzerland stores we repair Galaxy Watch models with original parts. A display repair typically runs CHF 200–400. 14-day return policy, 2-year Swiss warranty on all parts and bands.
Shipped from our Basel warehouse — A-Post in 1–2 working days, express next business day or free pickup at one of our stores. We are also happy to advise you in person at one of our German-speaking-Switzerland stores — repairs, protection and warranty handling all in one place.
Looking for accessories for another Watch model? We stock bands and protection for Galaxy Watch 20mm, Galaxy Watch4 44mm, Galaxy Watch4 Classic 42mm, Galaxy Watch5 40mm and Apple Watch Series 7 41mm.
