1. MOVEMENT DIMENSIONS
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Outside diameter ψ23.70mm { 22.60mm (12H~6H) x 22.60mm (3H~9H) }
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Casing diameter ψ23.30mm { 22.10mm (12H~6H) x21.40mm (3H~9H) }
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Total height 3.45 mm
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Dimensions of small hands away from center 6.90 mm
2. BASIC FUNCTION
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Jewels
2 jewels
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Regulation device Nil
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Accuracy ± 15 seconds per month at normal temperature range
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Battery life Approx. 2 years
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Operation temperature range From - 5 ℃to + 50 ℃
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Antimagnetism ≧1600 A / m
( direct current magnetic field )
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Shock resistance On equal level with general quartz movement
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Hands Regulation hands unbalance
Hour : Less than 0.50µN·m ( 50mg·mm )
Minute : Less than 0.80µN·m ( 80mg·mm )
Second : Less than 0.30µN·m ( 30mg·mm )
Small hands : Less than 0.10µN·m ( 10mg·mm )
(Date, Day, 24H hands)
3. OSCILLATOR
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Type of quartz oscillator Tuning fork
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Frequency of quartz oscillator 32,768 Hz
4. BATTERY
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Type Silver oxide battery
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Nominal voltage 1.55 V
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Size ψ9.5 x t 2.0 ( mm )
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Recommended battery SR920SW ( SEIZAIKEN )
5. DIAL FIXED METHOD Dial legs fitted with holes on the main plate
6. TEST OF ACCURACY
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Equipment to be used SEIKO Quartz Tester QT - 99
Greiner Quartz Timer - C
Witschi Q-Tester 4000
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Duration of measurement 10 seconds
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Microphone to be used Electromagnetic detection type
* All specifications are subject to change without notice.
SII Products
Version: 1
CAL. VH63A 10 ½ Ligne Quartz Movement
Three Hands (1/4 Center Second)
MOVEMENT SPECIFICATION - 1
Small Date Hand, Small Day Hand, Small 24 Hours Indicator
