Maxell 364 SR621SW Silver Oxide Watch Battery 1.55V Made in Japan

A reliable power source for your precious watch – the Maxell 364 SR621SW silver oxide watch battery delivers a stable 1.55V voltage for high-quality wristwatches and precision instruments. This compact button cell, measuring 6.8mm in diameter and 2.2mm in height, is ideal for elegant ladies' and men's watches, small quartz movements, and other precision applications where a constant power supply is required.

As a Japanese battery manufacturer with over 70 years of experience, Maxell is known worldwide for high-quality silver oxide batteries that reliably power demanding watches for years. The silver oxide chemistry ensures more consistent performance and longer runtimes than inexpensive alkaline cells – ideal for watches that require constant accuracy over extended periods. With numerous compatibility designations, this cell replaces many common 364/SR621SW/AG1 types and offers a proven professional solution for workshops and watch enthusiasts.

Key features:

• Maxell 364 SR621SW silver oxide watch battery, 1 piece in blister pack

• Chemistry: Silver oxide – stable voltage and long runtime for watches

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

• Dimensions: Diameter 6.8 mm, Height 2.2 mm – Standard size SR621SW/364

• Made in Japan – Maxell quality manufacturing with years of expertise

• High reliability and very good leak protection thanks to optimized sealing.

• Specifically designed for watches – suitable for analog and digital models

• Universally applicable in small electronics such as watches, mini-tools and measuring instruments

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

• Maxell brand product – trusted & recommended by watchmakers worldwide

Advantages & Applications:

• Ideal for wristwatches, pocket watches, small quartz movements and specialty watches.

• Can be used in other small devices such as mini-timers, thermometers and measuring instruments.

• Long operating time and stable voltage for precise timekeeping over many months

• Japanese manufacturing quality – preferred by professional watchmakers

• Direct replacement for many 364/SR621SW/AG1/G1 batteries – high compatibility

• Suitable for low to medium load profiles in watches and delicate electronics

• Safe storage and long shelf life without leakage

• Reliable performance in standard, luxury and designer watches

• Saves on costly watch repairs due to long operating life