| Movement | Winding |
| Mechanical | Self Winding |
| Calibre | Functions |
| 89800 Calibre, Manufactured by IWC. | Perpetual calendar with crown-activated rapid advance. Large double-digit displays for both the date and month. Leap year display. Stopwatch function with hours, minutes and seconds. Hour and minute counters combined in a single totalizer at 12 o'clock. Flyback function. Small hacking seconds |
| Dimensions | Water-Resistance |
| Case Dimensions: 44 x 52.8 mm Case thickness: 16.3 mm | Water-resistant to 10 bars. |
