PARTS LIST / TECHNICAL GUIDE
Automatic Cal.4R35B
／
4R36A
[SPECIFICATION]
(The below figs. are for Cal.4R36A)
Driving
system
Automatic winding with manual winding mechanism
・
3 hands (Hour, Minute and
・
3 hands (Hour, Minute and Second
Time indication
Second hands)
hands)
・
Date indication
・
Day and Date indication
・
Instant date setting device
・
Instant date setting device
Additional function
・
Second hand stop function
・
Instant day setting device
・
Second hand stop function
Crown
Date setting (counterclockwise)
Date setting (counterclockwise),
operation
Day setting (clockwise)
Vibration per hour
21,600 (6 beats per second)
B45 and -35 seconds per day
(worn on the wrist at temperature range between 5°C and 35°C)
Loss/Gain
Instantaneous rate at T0
Isochronous fault
（
Fully would condition)
Testing
positions Dial upward
6 o'clock
9 o'clock
Dial upward
at the top
at the top
Measurement
(Daily rate in
±
20 s/d
±
30 s/d
±
30 s/d
±30 s/d
seconds
：
s/d
）
Regulation system
ETACHRON system
Lift angle of the escapement
53°
Power
reserve
Continuous operating time
From fully wound to stoppage: Approximately 41 hours
Number of Jewels
1/18
1st click
4R35B
4R36A
23 Jewels
24 Jewels
Daily Rate
Cal. No.
4R35B/4R36A
Item
Normal position
Manual winding (clockwise only)
Standard rate
for measurement
2nd click
Time setting (Hour and Minute) / Second hand stop function
・
3 Hands (Hour, Minute and Second hands)
・
Day and Date indication
Movement Size
・
Diameter
Outside
：
φ27.4 mm
Casing
：
φ27.0 mm
・
Height
：
5.32 mm
