PARTS LIST / TECHNICAL GUIDE
ANALOGUE SOLAR Cal. V157A/V158A
[SPECIFICATIONS]
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Item
Cal. No.
V157A/V158A
Power reserve
Driving system
Additional function
Crown operation
Loss/Gain
Regulation system
Number of jewels
Normal position
1st click position
Current consumption
Gate time for rate measurement
Power supply
Motion of the second hand
Coil resistance
Power
generator
Rechargeable
battery
Operating
voltage range
2nd click position
One-second intervals
Stepping motor 1 piece
Diameter
Outside: 28.6 mm
Casing: 24.0 mm
Height: 3.5mm
3 hands (hour, minute and second hands)
date indicator/day indicator(only for V158A)
Instart-start function
Energy depletion forewarning function (The second hand moves at
two-second intervals.)
Overcharge prevention function
Electronic circuit reset function
Second hand stop function
Date calendar
Instant setting device for date calendar
Day calendar (only for V158A)
Instant setting device for day calendar (only for V158A)
Free
Time setting
Monthly rate:less than 15 seconds (worn on the wrist at
temperature range between 5 to 35 degrees Centigrade)
Use 10-second gate
Nil
Solar power generation system
Movement: less than 0.80 μA
Circuit block: less than 0.40 μA
Coil block: 1.80 - 2.20 K
Ω
MT920 Manganese titanium lithium rechargeable battery
0.45V - 2.20V
From full charge to stoppage: Approximately 10 months
2 jewels
V157A V158A
Date setting(counter clockwise)
Day setting (clockwise, only for V158A)
Movement
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