Renata 373 (SR916SW) — Reliable Low-Drain Power for Slim Watches

The Renata 373 (SR916SW) is a silver-oxide button cell engineered for low-drain analog watches. At approximately 9.5 mm in diameter and 1.6 mm in height, it is ideal for slim to medium-sized timepieces that require consistent voltage and reliable performance. Made in Switzerland, the 373 delivers the quality, precision, and dependability watchmakers expect from Renata’s premium range.

Core Specifications

• Chemistry: Silver-oxide, mercury-free
• Nominal Voltage: 1.55 V
• Dimensions: ~9.5 mm × 1.6 mm
• Drain Profile: Low-drain (SW)
• Compliance: RoHS, mercury-free

Understanding SR916SW

• SR: Silver-oxide chemistry
• 916: Size family (~9.5 mm × 1.6 mm)
• SW: Low-drain applications

This ensures compatibility with analog watches designed to maximize efficiency and longevity on a single battery.

Advantages of Renata 373

1. Steady voltage output for precise timekeeping
2. Leak-resistant seals to protect movements
3. Low self-discharge for extended shelf life
4. Swiss manufacturing for consistent performance
5. Mercury-free and environmentally safe

Applications

• Slim analog watches
• Dress timepieces
• Compact timing instruments

Installation Tips

• Confirm SR916SW specification before replacing
• Use non-metal tweezers
• Check gasket condition
• Install with correct polarity

Conclusion

The Renata 373 (SR916SW) offers dependable performance, accurate voltage output, and Swiss reliability for slim watches that require low-drain power solutions.