Seiko 397 / SR726SW - 10 button cells

The Seiko 397 / SR726SW button cells are silver oxide zinc batteries which are used for watches.

• Seiko 397 / SR726SW

• Watch battery

• Chemical system: Zinc silver oxide

• Voltage (V): 1.55 Volt

• Diameter (ø): 7.9 mm

• Height: 2.65 mm

• Weight (g): 10 grams

• Nominal capacity: 34 mAh

• Packaging unit: 10 pieces

The Seizaiken SR726SW / 397 "Low Drain Batteries" have a low energy density and are suitable for devices with low power consumption, such as analogue quartz clocks without lighting or electronics.

Seizaiken is the brand name for silver oxide batteries manufactured by Seiko Instruments. Seiko Instruments is a Japanese subsidiary of Seiko Holdings Corporation, the parent company of Seiko.
Seiko is best known for its watches. The brand has a long history dating back to 1881, when Kintaro Hattori founded a watch repair and sales business in Tokyo, Japan.
Today, Seiko is one of the world's leading watch manufacturers and is known for its sponsorship of the Olympic Games and Formula 1.