Product details
The Seiko 362 / SR721SW button cells are silver oxide-zinc batteries designed for use in watches.
- Seiko 362 / SR721SW
- Watch battery
- Chemical system: zinc silver oxide
- Voltage: 1.55 volts
- Diameter: 7.9 mm
- Height: 2.1 mm
- Weight: 10 grams
- Nominal capacity: 23 mAh
- Packaging unit: 10 pieces
The Seizaiken SR721SW / 362 is designed and suitable for low-power watches (without backlighting and/or alarm).
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 primarily known for its watches and has a long history dating back to 1881 when Kintaro Hattori opened a watch repair and sales shop in Tokyo. Today, Seiko is one of the world's leading watch manufacturers and is well-known for its sponsorship of the Olympic Games and Formula 1.
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