MOVEMENT
SEIKO VK-64
Hybrid Quartz movement
Total diameter
13.5 ligne (30.8mm)
5.1 mm height
3 hands with date
Accuracy: -± 20 seconds per month at normal temperature
range
Power reserve: Battery (SR936SW ) life approximately 3 years
Frequency of quartz oscillator 32.768Hz
Antimagnetism
≧
1600 A / m ( direct current magnetic field )
