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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 systemPower 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
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