Specifications - Citizen Eco-Drive b740 Instruction Manual

15. SPECIFICATIONS

1. Model . . . . . . . . . . . . . . . . B740/B745
2. Watch accuracy. . . . . . . . . ±15 seconds per month (average)
3. Depth gauge accuracy . . . At depth of 1 to 10 m (5.0 to 25.0 ft): within ±1 m
4. Range of watch
operating temperatures . . –10°C to +60°C (+14°F to +140°F)
[at normal temperatures (+5°C to +35°C/+41°F to
+95°F)]
(±5.0 ft)
At depth of 11 to 50 m (27.5 to 125.0 ft): within
±2 m (±7.5 ft)
(On the condition that the water temperature is
constant and error in reading is excluded.)
* Temperature range for guaranteed accuracy:
+10°C to +40°C (+50°F to +104°F)
Depth gauge accuracy is influenced by changes
in surrounding temperature.
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