# Bracelet watch CASIO B640WB-1BEF — unisex electronic, stainless steel case, 35×38.9×9.4 mm, black, CR2016 battery

**URL:** https://aio.lv/en/product--casio-s0440536--11916253
**Data updated:** 2026-03-10 09:20 (EET)
**Category:** Office Wall & Desk Clocks
**Manufacturer:** CASIO
**Manufacturer code:** S0440536
**EAN:** 4971850958321
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

CASIO B640WB-1BEF is a unisex bracelet electronic watch with a stainless steel case in black. Dimensions are 35 mm width, 38.9 mm height and 9.4 mm depth. Powered by a CR2016 battery with approximately 3 years of battery life. Suitable for everyday wear, offering compact form factor and durable metal construction for office and casual use.

## Long description

CASIO B640WB-1BEF is a unisex bracelet electronic watch with a compact stainless steel case finished in black. With dimensions of 35 × 38.9 × 9.4 mm, the watch offers a slim profile suited to everyday wear. The timepiece is powered by a CR2016 battery that provides approximately 3 years of operation under normal use. Its metal construction and restrained design make it appropriate for office environments and casual occasions.
Advantages
The stainless steel case and bracelet deliver durability and a consistent appearance over time while maintaining a lightweight feel. The compact dimensions and low-profile thickness ensure comfort during extended wear. Long battery life reduces the need for frequent battery changes, and the electronic movement provides reliable timekeeping with minimal maintenance. The black finish provides versatile styling that pairs well with both formal and casual attire.
Suitable for
 Daily office and business use
 Casual everyday wear
 Travel and commuting where a compact, durable watch is needed
 Users seeking a low-maintenance, long-battery timepiece
Key specifications
 Watch type: Unisex electronic bracelet watch
 Case material: Stainless steel
 Case colour: Black
 Dimensions (W × H × D): 35 × 38.9 × 9.4 mm
 Power source: CR2016 battery
 Estimated battery life: Approximately 3 years under normal use
 Design: Low-profile, slim case suitable for everyday wear
How to use
Set the time according to the manufacturer’s instructions using the watch’s control buttons. Wear the bracelet watch on the wrist and adjust the bracelet length or clasp for a secure, comfortable fit. Avoid exposing the watch to strong magnetic fields and extreme temperatures. Replace the battery when the display or functions indicate reduced power, and have battery replacement performed by a qualified technician to preserve water resistance and case integrity.
Usage recommendations
For best long-term performance, clean the stainless steel bracelet and case periodically with a soft cloth to remove dirt and perspiration. Store the watch in a dry place when not in use and schedule battery replacement approximately every three years or sooner if functions begin to degrade.

## Specifications

| Feature | Value |
|---|---|
| Weight | 0.044 kg |
| Battery type | CR2016 |
| Height | 38.9 mm |
| Width | 35 mm |
| Depth | 9.4 mm |
| Battery life | 3 year(s) |
| Gender | Unisex |
| Calendar | Yes |
| Stopwatch | Yes |
| LED backlight | Yes |
| Alarm function | Yes |
| Waterproof | Yes |
| Band material | Stainless Steel |
| Accuracy | 30 |
| Housing colour | Black |
| Mechanism type | Electronic |
| Watch marker colour | White |
| Case shape | Tonneau |
| Watch case material | Stainless steel |
| Watch type | Bracelet watch |
| Band main colour | Black |
| Watch dial main colour | Black |

## FAQ

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. 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 CASIO 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 CASIO 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

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