- 18-karat pink gold
- Dual surface curved sapphire crystal with anti-reflective coating
- Water resistance:
- Non water-resistant
- [Case Diameter] 43.2mm/
The mechanism offers the three modes:
- “Sonnerie” mode: the number of hours is announced by chimes every hour on the hour.
- “Original” mode: the time is announced by a three-strike chime at the passing of every three hours: 12:00, 3:00, 6:00, and 9:00.
- “Silent” mode: the chime is disengaged.
These modes can be selected simply by changing the mode indicator.
Spring Drive Sonnerie caliber, 7R06
- Hour striking function: Three selectable modes, chiming every hour on the hour/chiming every three hours/silent
- Hour repeating function
- Power reserve indicators: Two. One each for the watch mechanism and the bell mechanism
- Wind-up method: Manual-winding 12 o'clock direction for watch / 6 o'clock direction for the bell
- Time accuracy: Monthly rate within ±15 sec (equivalent to a daily rate of ±1 sec)
- Power reserve (watch mechanism): Approx. 48 hours
- Power reserve (bell mechanism): More than 40 hours
- Number of jewels: 88
- Movement diameter: 37.0 mm
- Movement thickness: 7.05 mm
- 617 components