[SPECIFICATION]
・
3 Hands (Hour, minute and second hand)
Movement size
・
Diameter
Outside
： φ
27.4 mm
・
Calendar (Date: Date disk)
Casing
： φ
27.0 mm
・
Height
：
5.25 mm
PARTS LIST / TECHNICAL GUIDE
Cal.6R15C / 6R15D
Item
6R15C / 6R15D
･
Instant date setting device
・
Second hand stop function
Cal. No.
Crown
position
Manual winding (clockwise only)
Vibrations per hour
Instantaneous rate at T0
(Fully wound condition)
B25/-15 seconds per day
(worn on the wrist at temperature-range between 5
℃
and 35
℃
)
Isochronous fault
21,600 (6 beats per second)
Date setting (counter clockwise only )
Time setting /Second hand stop function
Normal position
1st click position
Driving system
Automatic winding with manual winding mechanism
Additional function
±15 s/d
±
10 s/d
Regulation system
Lift angle of the escapement
Daily rate
Standard rate for
measurement
9 o’clock at
the top
Dial upward
±15 s/d
±10 s/d
2nd click position
Measurement (daily
rate in seconds:s/d)
ETACHRON system
53°
Loss/
Gain
Testing positions
Dial upward
6 o’clock at
the top
1/18
Number of Jewels
23 Jewels
Power reserve
From fully wound to stoppage: Approximately 50 hours
