Seiko V172A Technical Manual

PARTS LIST / TECHNICAL GUIDE
ANALOGUE SOLAR Cal. V172A/V174A
[SPECIFICATIONS]
Item
V172A
3 hands
(hour, minute and small
second hands)
Motion of the second hand
Driving system
Additional function
Normal position
Crown operation
1st click position
2nd click position
Loss/Gain
Regulation system
Gate time for rate measurement
Current consumption
Coil resistance
Power generator
Rechargeable battery
Power
supply
Operating voltage range
Power reserve
Number of jewels
Cal. No.
V174A
3 hands
(hour, minute and small second
hands), 24-hour indicator
One-second intervals
Stepping motor 4 pieces
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
System reset function
Stopwatch function..........60-minute stopwatch in 1/5-second increments
Stopwatch
Date setting(counter clockwise), Time setting of alarm
Time setting, System reset, Setting "0" of stopwatch hand
Monthly rate:less than 15 seconds (worn on the wrist at temperature range
between 5 to 35 degrees Centigrade)
Nil
Use 10-second gate
Movement: less than 0.80 μA
4002 541
(COIL BLOCK) (COIL BLOCK FOR STOPWATCH SECOND)
4002 542
(COIL BLOCK FOR STOPWATCH MINUTE) (COIL BLOCK FOR ALARM)
Solar power generation system
MT920 Manganese titanium lithium rechargeable battery
0.90V - 2.10V
From full charge to stoppage: Approximately 6 months
Nil
V172A/V174A
Diameter: Outside 27.6 mm
Casing 27.0 mm
Height: 4.4 mm
(Auto stop measuring at 60 minutes)
Accumulated elapsed time measurement
Split time measurement
Single-time alarm function
Stopwatch hand position adjustment
Circuit block: less than 0.40 μA
1.90 - 2.30 kΩ
1.75 - 2.15 kΩ
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