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Specifications

Cal.

6R51

6R55

6R5H / 6R5J

1. Features

3 hands (hour, minute, second)

3 hands (hour, minute, second), date display

3 hands (hour, minute, second), 24-hour hand

2. Vibrations per hour

21,600 vibrations/hour (6 vibrations/sec)

3. Loss/gain (daily rate)

+25 to -15 seconds at normal temperature range
Only if worn on the wrist in a temperature range of 5°C to 35°C

4. Driving system

Automatic winding type with manual winding mechanism

5. Duration

Approx. 72 hours

6. Jewels

24 jewels

The accuracy above is factory-adjusted.

Due to the characteristics of mechanical watches, any actual daily rate may not fall within the range of time accuracy specified above dependent on the conditions of use, such as the length of time during which the watch is worn on the wrist, temperature, arm movement, and whether the mainspring is wound up fully or not, etc.