Version-01
Cal.VK83A
Cal. No.
Item
VK83A
Outside diameter
Casing diameter
Movement
size
Total height
Movement
φ30.80 mm × 29.10 mm ( 3H - 9H )
φ29.00 mm
5.10 mm
Center chronograph ( 1/5 second )
20 minutes counter ( 9H )
Time indication
Use 10 second gate
*Set the winding stem with crown at the normal position
Date Calendar
24 hour indicator ( 3H )
2 Hands (hour, minute)
Small second hand ( 6H )
SPECIFICATION
1
Driving system
Two pole stepping motor
Step motor 2 pieces
Additional mechanism
Date display with quick correction
Electronic circuit reset switch
Time setting with stop-second
Battery
SR936SW (Silver oxide battery )
Battery life is approximately 3 years
(60 minutes chronograph operation per day)
Antimagnetic
≧
1600 A/m
Jewels
0 Jewel
Accuracy
Less than ± 20 seconds : Monthly rate at normal temperature range
Measuring gate by quartz tester
