Date :
1. MOVEMENT DIMENSIONS
Outside diameter φ27.60mm(12H-6H) × 24.00mm(3H-9H)
Casing diameter φ27.00mm(12H-6H)
Total height 4.4mm
2. TIME STANDAR
Type of quartz oscillator Tuning fork
Frequency of quartz oscillator 32,768 Hz
Accuracy ±20 seconds per month (on wrist)
Operating temperature range －5℃ to ＋50℃
Regulation device Nil (Pre-adjusted)
3. INDICATOR / FUNCTION
3 Hands Hour / Minute / 1/5 second chronograph (Center)
Small hands Small second (9H) / Minute chronograph (6H) / 24 Hour (3H)
Calendar Instant setting device for date calendar
Reset switch
Power depletion warning function (BLD)
(Second hand moves at 2-second intervals when voltage is 1.2V)
Chronograph
Running time Approx. 6 months (After fully charged)
4. FEATURE
Jewels 0 Jewels
Anti-magnetism Over 1600A/m (Direct current magnetic field)
Driving current consumption Approx. 0.65μA (1.35V , Chronograph non-operates)
Operation stopping voltage 1.0V
Solar cell type
Amorphous silicon solar cell
Maximum unbalance of hands Small second hand : 0.03μN・m
Minute chronograph hand : 0.03μN・m
24 huor hand : 0.03μN・m
1/5 second chronograph hand : 0.09μN・m
Minute hand : 0.70μN・m
Moment of inertia 1/5 second chronograph hand : less than 0.12μg・m²
5. SECONDARY BATTER
Type Titanium-lithium-ion secondary battery
Size φ9.5 × t 2.05 mm
Capacity 5mAh
Nominal voltage 1.5V
6. SEPARATED PARTS (Parts code
Hand setting stem 0351587
Secondary battery uni
302334T
Solar cell uni
4020552
Solar cell lead terminal (2 pcs) 4281516
Untransparent plate 4453500
7. TEST OF ACCURAC
Equipment to be used SEIKO quartz tester QT-99
Greiner quartz timer-C , Witschi Q-tester 4000
Duration of measurement 10 seconds
Microphone to be used Electromagnetic detection type
All specifications are subject to change without notice.
Solar Analog Quartz 12''' Center Second Chronograph Movemen
Cal.
Rev. : 00
31/Jan./'18
VS75B Specifications
The chronograph can measure up to 60 minutes in 1/5 second
increments.
P. 2
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