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[SPECIFICATIONS]
Cal. No.
Item
YT57B
Movement
(x 1.0)
Additional mechanism
• Automatic generating system
• Energy depletion forewarning function
• Overcharge prevention function
• Electronic circuit reset switch
• Train wheel setting device
• Date calendar
• Instant setting device for date calendar
Driving system
Step motor (Load compensated driving pulse type)
Loss/gain
Monthly rate at normal temperature range: less than 20 seconds
Regulation system
Nil
Measuring gate by quartz tester
Use 10-second gate.
Power
supply
Automatic generating system
Power generator
PARTS CATALOGUE
/
TECHNICAL GUIDE
Cal. YT57B
Movement
size
Outside diameter
ø27.6 mm
Casing diameter
ø27.0 mm
Height
4.3 mm
Time indication
3 hands
Operating voltage range
0.45 V ~ 2.2 V
Duration of charge
From full charge to stoppage: Approx. 6 months
Jewels
6 jewels
KINETIC E.S.U.
Titanium lithium ion rechargeable battery
