Specifications - Citizen B51 Instruction Manual

14. Specifications

1. Caliber No.: B51 *
2. Type: Analog solar-powered watch
3. Accuracy: Within ±15 seconds per month on average (when worn at normal tempera-
tures: +5°C to +35°C/41°F to 95°F )
4. Operating Temperature Range: -10°C to +60°C/14°F to 140°F
5. Display Functions: Time (hours, minutes, seconds, 24 hours)/date
6. Additional Functions:
* Chronograph function: 0.2 second (1/5 second) units, 60 minutes
* Self-winding power generation function
* Insufficient charging warning feature
* Time setting warning feature
7. Continuous Operation:
* From fully charged to stopping - Approx. 5 months
* From 2-second interval movement to stopping -Approx. 1 day
8. Battery: Secondary battery - 1
*Specifications are subject to change without notice.
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