Maxell 362 SR721SW Silver Oxide Watch Battery 1.55V Ultra-Flat

Ultra-thin yet powerful – the Maxell 362 / SR721SW silver oxide watch battery, with its extremely slim profile of just 2.1 mm, is the secret weapon for ultra-modern, slim women's watches, minimalist digital watches, and high-quality jewelry chronometers. With a diameter of 7.9 mm and a voltage of 1.55 V, this button cell offers the perfect balance between compactness and reliable power supply for all watches where elegant design and space-saving are paramount.

As a product of Maxell, the world-renowned Japanese battery manufacturer, this cell is produced to the highest international quality standards and boasts a leak-proof design, superior voltage stability, and extended runtime. The silver oxide chemistry (Ag₂O) guarantees constant, consistent performance throughout its lifespan – without the sudden voltage drop found in alkaline batteries – making it the ideal choice for high-quality and elegant watches. With numerous compatibility designations (362, 361, SR721SW, AG11, G11, and others), this ultra-slim cell is a safe and versatile solution for professional watchmakers, jewelers, and discerning watch enthusiasts worldwide.

Key features:

• Maxell 362 / SR721SW Silver Oxide Watch Battery, 1 piece in blister pack

• Chemistry: Silver oxide (Ag2O) – stable voltage and long runtime for elegant watches

• Nominal voltage: 1.55V – constant supply for precise quartz movements

• Ultra-flat dimensions: diameter 7.9 mm, height only 2.1 mm – extremely wafer-thin

• Made in Japan – Maxell quality manufacturing to the highest international standards

• High reliability and excellent leak-proofness thanks to optimized sealing.

• Specifically designed for modern, slim watches and minimalist designs

• Very stable voltage curve – constant power output throughout the entire operating period

• 0% mercury – modern, environmentally conscious silver oxide technology

• Genuine Maxell brand product – recognized worldwide and preferred by professionals

• Wide compatibility: 362, 361, SR721SW, SR721W, SR721, SR58, AG11, G11 and other equivalents

Advantages & Applications:

• Ultra-modern women's watches: Slim designer watches with a minimal battery case

• Minimalist digital watches: Modern quartz chronometers with a slim design

• Jewelry chronometers & luxury models: High-quality watches with extreme flatness

• Modern smartwatches: Elegant digital watches in a modern flat design style

• Fashion-forward watches: Trendy models with current design trends and a flat construction

• Vintage & Retro Watches: Restoration of flat classic models with 362 format

• Decorative wristwatches: Watches with limited space for battery compartment

• Professional watchmakers & jewelers: First choice for the repair of modern, slim watches

• Collector clocks: Rare, high-quality flat models with special requirements

• High-End Timepieces: Exclusive watches with minimalist design and maximum elegance

• Fitness & Activity Watches: Modern, slim sports watch models with an elegant finish

• Long-term stability: Silver oxide chemistry prevents voltage drop over months and years.

• Safe storage: Long shelf life without leakage or loss of function