The Seizaiken 371 (SR920SW) is a premium 1.55V silver oxide button cell battery, manufactured by Seiko Instruments Inc. (SII) in Japan. Specifically engineered for quartz watches and precision small electronics, this battery delivers stable voltage output and dependable long-term performance. Designed for low-drain applications, the SR920SW provides consistent power while maintaining accurate timekeeping. With a compact size of 9.5mm diameter and 2.1mm height, it fits a wide range of watch models and small electronic devices. Manufactured at Seiko’s advanced facility in Sendai, Tohoku (Japan), this battery reflects decades of expertise in precision metal processing and watchmaking technology. Its airtight seal structure ensures excellent leakage resistance, enhancing safety, durability, and reliability.
eBay
100PCS AG1 LR621 364 V364 164 531 SR621 SR621SW SR60 CX60 1.55V Alkaline Battery For Watch Car Key Remote Toy Button Coin Cell
Aliexpress UK
The Duracell 364 Silver Oxide Button Cell is a professional-grade, high-density battery engineered for consistent, long-lasting performance in precision electronic devices. Unlike standard 1.5V alkaline button cells, this 1.55V silver oxide battery maintains a stable voltage throughout its discharge cycle—making it ideal for equipment that requires accuracy and reliability. Designed for medical, industrial, and precision timekeeping applications, the Duracell 364 ensures dependable power when performance matters most.
eBay
18PCS AG1 364 AG3 392 AG4 377 AG10 389 AG13 357 CR2032 Button Battery Suitable for Watch Toy Remote Control Battery
Aliexpress UK
RENATA 364 SR621SW 1.55 VOLT SILVER OXIDE BUTTON/COIN BATTERIES. D364, SP364, 602, 280-34, SB-AG/DG, SR60, SR60L, 531, SR621, GP364, SR621SW, T, V364. The 364 silver oxide battery is commonly used in watches.
eBay
18PCS AG1 364 AG3 392 AG4 377 AG10 389 AG13 357 CR2032 Button Battery Suitable for Watch Toy Remote Control Battery
Aliexpress UK
RENATA SILVER OXIDE WATCH BATTERIES. 399, 395,373, 377, 364 321, 371, 379, 390, 370, 357, 362, 317, 394, 321. 394 (SR936SW). 317 (SR516SW). Popular batteries for watches. 370 (SR920W). Battery Shelf Life.
eBay
Ronda 773 Quartz Watch Movement 3 Hands Swiss 17.5mm Battery No. 364 High-Quality Replacement Parts for Watch Repair
Aliexpress UK
364 (SR621SW). Renata's professional expertise is worth having on your side and in your watches. A.AGIUS IS ONE OF THE OLDEST WATCH DEALERS IN MALTA AND PROVIDE A RANGE OF PRODUCTS AND SERVICES. We are known for our professional service and fast turn around.
eBay
100Pcs Battery AG0 AG1 AG2 AG3 AG4 AG5 AG6 Cell Coin LR41 377 364 371 SR621SW Lithium Battery For Clock Electronic toys
Aliexpress UK
Discover the reliability of Renata Silver Oxide Watch Batteries! These 1.55v batteries are mercury-free and built to last, perfect for keeping your timepieces powered up. Take advantage of our Buy 2 Get 1 FREE offer--simply choose 2 batteries and receive 1 extra for free! This deal gives you even better value when you select multiples. Renata is a trusted brand in watch batteries, ensuring your devices run smoothly. Don’t miss out on this exceptional offer; select your desired quantity from the dropdown above and keep your watches ticking! Order today for unbeatable quality and convenience!.
eBay
2-50pcs LR44 AG13 30mAh Cell Coin Watches Battery L1154 357 SR44 RW82 1.5V Alkaline Button Batteries Suitable For Watch Cell
Aliexpress UK
Manufactured in Switzerland, these batteries have an expiration date set in 2023, providing you with a safeguard of availability for your current and future power needs. RENATA SILVER OXIDE WATCH BATTERIES.
eBay
10-100PCS AG4 LR626 Watch Alkaline Battery Button Battery 1.55V 377 SR626SW 377A CX66W Cell Coin Battery For Watch Toys Clock
Aliexpress UK
RENATA 371 SR920SW 1.55 VOLT SILVER OXIDE BUTTON/COIN BATTERIES. The 371 silver oxide battery is commonly used in watches. Shelf Life.
eBay
1pc Smart Watch Battery LQ-S1 3.7V 380mAh lithium Rechargeable Battery For Smart Watch QW09 DZ09 W8 Universal Watch Battery
Aliexpress UK