[SPECIFICATION]
3 Hands ( Hour , Minute , Second )
Chronograph , 24H indicator
Two pole stepping motor
Step motor 2 pieces
Electronic circuit reset switch
Second setting device
[ Time ]
Indicated by Hour , Minute , Second and 24-Hour hands
[ Stop watch ]
Up to 60 minute in 1 second split time
SR920SW ( SEIZAIKEN ) Silver oxide battery
φ 9.5 × t 2.0 mm
Battery life is approximately 2 years
Use 10-second gate
*Set the winding stem with crown at the normal position
0 Jewel
Time
indication
Driving System
Antimagnetic ≧ 1600 A/m
Additional mechanism
Accuracy
1
Battery
Measuring gate by
quartz tester
SII Products
Jewels
Less than ± 20seconds : Monthly rate at normal temperature range
PARTS CATALOGUE / TECHNICAL GUIDE
VD54B
Cal. No.
Item
Cal.VD54B
φ 28.80 mm ( 12H - 6H )
Total height
Version-03
Movement
Movement
size
Outside diameter
Casing diameter
φ 29.50 mm ( 12H - 6H ) × 26.00 mm
3.97 mm
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