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SPECIFICATIONS
1 Display system
Time/Calendar .................................................... Hour, minute and small second hands
Date is displayed in numerals
Stopwatch ........................................................... Measures up to 12 hours
Stopwatch hour, Stopwatch minute and Stopwatch second
hands
Power reserve indicator (for Cal. 6S37 only)
2 Vibrations per hour............................................. 28,800
3 Loss/gain (daily rate)
6S28 ....................................................................
Between +25 and -15 seconds at normal temperature range
(between 5 °C and 35 °C or between 41 °F and 95 °F)
6S37 ....................................................................
Between +15 and -10 seconds at normal temperature range
(between 5 °C and 35 °C or between 41 °F and 95 °F)
4 Continuous operating time ....................................... Approx. 50 hours
5 Driving system ........................................................... Automatic winding type with manual winding mechanism
6 Number of jewels
6S28 .................................................................... 34 jewels
6S37 .................................................................... 40 jewels
• The accuracy above is factory adjusted.
• Duetothecharacteristicsofmechanicalwatches,anyactualdailyratemaynotfallwithintherangeof
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.