Download Print this page

Specifications - Epson SOLAR Series Specification And Drawing

Watch movement
Hide thumbs

Advertisement

Cal.
VS75B
Solar Analog Quartz 12''' Center Second Chronograph Movement
1. MOVEMENT DIMENSIONS
Outside diameter
Casing diameter
Total height
2. TIME STANDARD
Type of quartz oscillator
Frequency of quartz oscillator
Accuracy
Operating temperature range
Regulation device
3. INDICATOR / FUNCTIONS
3 Hands
Small hands
Calendar
Reset switch
Power depletion warning function (BLD)
(Second hand moves at 2-second intervals when voltage is 1.2V)
Chronograph
Running time
4. FEATURES
Jewels
Anti-magnetism
Driving current consumption
Operation stopping voltage
Solar cell type
Maximum unbalance of hands
Moment of inertia
5. SECONDARY BATTERY
Type
Size
Capacity
Nominal voltage
6. SEPARATED PARTS (Parts code)
Hand setting stem
Secondary battery unit
Solar cell unit
Solar cell lead terminal (2 pcs)
Untransparent plate
7. TEST OF ACCURACY
Equipment to be used
Duration of measurement
Microphone to be used

Specifications

φ27.60mm(12H-6H) × 24.00mm(3H-9H)
φ27.00mm(12H-6H)
4.4mm
Tuning fork
32,768 Hz
±20 seconds per month (on wrist)
-5℃ to +50℃
Nil (Pre-adjusted)
Hour / Minute / 1/5 second chronograph (Center)
Small second (9H) / Minute chronograph (6H) / 24 Hour (3H)
Instant setting device for date calendar
The chronograph can measure up to 60 minutes in 1/5 second
increments.
Approx. 6 months (After fully charged)
0 Jewels
Over 1600A/m (Direct current magnetic field)
Approx. 0.65μA (1.35V , Chronograph non-operates)
1.0V
Amorphous silicon solar cell
Small second hand
Minute chronograph hand
24 huor hand
1/5 second chronograph hand
Minute hand
1/5 second chronograph hand
Titanium-lithium-ion secondary battery
φ9.5 × t 2.05 mm
5mAh
1.5V
0351587
302334T
4020552
4281516
4453500
SEIKO quartz tester QT-99
Greiner quartz timer-C , Witschi Q-tester 4000
10 seconds
Electromagnetic detection type
All specifications are subject to change without notice.
31/Jan./'18
Date :
Rev. : 00
: 0.03μN・m
: 0.03μN・m
: 0.03μN・m
: 0.09μN・m
: 0.70μN・m
: less than 0.12μg・m²
P. 2

Advertisement

loading

  Also See for Epson SOLAR Series

This manual is also suitable for:

Cal. vs75bSolar vs72aSolar seriesSolar vs76aVs75aVs75 ... Show all