Type: Hybrid Mechanical-Quartz (Battery powered with mechanical chronograph module)

Accuracy: +/- 20 seconds per month

Battery: Cell Number 394 / SR936SW

Battery Life: Approx. 3 years (normal operation)

Functions:

Central hours & minutes

Small seconds at 6:00

Chronograph: Central seconds hand & 60-minute counter at 9:00

24-hour indicator at 3:00

Date window at 4:30

Note: The VK63 gives you the accuracy of quartz with the "snap-back" reset feel of a mechanical chronograph.