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| Part Number: | SR721SW | 
| Category: | Battery Products | 
| Subcategory: | Batteries Non-Rechargeable (Primary) | 
| Manufacturer: | Seiko Instruments | 
| Packaging: | Tray | 
| Product Status: | Active | 
| Battery Chemistry: | Silver Oxide | 
| Battery Cell Size: | Coin, 7.9mm | 
| Voltage - Rated: | 1.55 V | 
| Capacity: | 23mAh | 
| Size / Dimension: | 0.31" Dia x 0.08" H (7.9mm x 2.0mm) | 
| Termination Style: | Requires Holder |