# Replacement 20 mm Strap Just Must JM S1 for Galaxy Watch 4 — Blue

**URL:** https://aio.lv/en/product--just-must-6973297904624--4618239
**Data updated:** 2026-03-12 10:02 (EET)
**Category:** Smartwatch & Fitness Tracker Bands
**Manufacturer:** just must
**Manufacturer code:** 6973297904624
**EAN:** 6973297904624
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 15.49 €
**Prices and availability valid until:** 2026-08-07 23:59
**Price without VAT (21%):** 12.80 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--just-must-6973297904624--4618239

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Monday | free |
| Pickup points | 16.07.2026 | 1.89 EUR |
| Courier delivery to door | 16.07.2026 | 4.99 EUR |

## Summary description

Replacement 20 mm strap Just Must JM S1 designed for Samsung Galaxy Watch 4. The blue strap fits watches with a 20 mm lug width and provides a secure attachment compatible with the Galaxy Watch 4’s connectors. Suitable for everyday wear and fitness use, it offers a simple swap for a worn or alternative band and maintains access to sensors and charging.

## Long description

The Strap Just Must JM S1 for Galaxy Watch 4 20 mm Blue is a replacement wristband designed for Galaxy Watch 4 models that accept a 20 mm strap. Made to offer a simple way to change the look and fit of your smartwatch, this blue strap attaches with standard 20 mm spring bars and provides a secure wearable option for daily use.
Advantages
This strap delivers a straightforward replacement solution with a 20 mm width compatible with Galaxy Watch 4. The blue color provides a neutral yet distinct appearance suitable for everyday wear. The band is lightweight and designed for quick installation and removal, allowing users to swap straps without tools when spring bars are present on the watch.
Suitable for
Galaxy Watch 4 owners needing a 20 mm replacement strap
Users who want a blue, everyday wearable band
People who prefer quick strap changes for style or comfort
Key specifications
Compatible width: 20 mm
Color: Blue
Intended device: Galaxy Watch 4 (models accepting 20 mm straps)
Attachment type: standard spring bar connection
How to use
Remove the original strap from your Galaxy Watch 4 by compressing the spring bar or following the watch manufacturer’s strap removal instructions. Align the Strap Just Must JM S1 with the watch lugs and insert the spring bars into the lug holes until they lock into place. Verify that the strap is securely attached before wearing. To remove, reverse the process by compressing the spring bar and sliding the strap away from the watch.
Usage recommendations
For best results, confirm that your Galaxy Watch 4 model supports 20 mm straps and check the spring bar condition before installation. Clean the strap and watch lugs regularly to prevent dirt buildup; avoid prolonged exposure to water and abrasive chemicals to maintain the strap’s appearance.

## FAQ

### How much does the Just Must JM S1 20 mm Strap for Galaxy Watch 4 cost, and is it available for purchase?

The price is 15.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on Monday at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All just must products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized just must service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/4618239/51660859_large.webp