Perpetual Calendar Manufacture
CH-1721R
$0.00
In stock
1
Product Details
Time is eternal: the precision of this model’s calendar displays lasts until the year 2100.
Case
| Reference | CH-1721R |
| Case material | 18-karat red gold |
| Case back | Screw-down case back with satin finish and sapphire crystal |
| Diameter in mm | 40mm |
| Height in mm | 13 |
| Finish | Partly polished, partly with satin finish |
| Bezel | Polished screw-down bezel with side knurling and full thread |
Caliber/Movement
| Caliber | Manufacture caliber C. 127, automatic |
| Frequency | 3 Hz (21.600 A/h) |
| Power reserve in hours | Approx. 40h |
| Number of jewels | 30 |
Dial
| Dial material | Solid sterling silver (925), lacquered |
| Display/s | Central hours, minutes and seconds, analog date, weekday, 48 months, leap year, moon phase, age of moon |
| Design of hands | Thermally blued, hand-finished steel hands |
| Shape of hands | Poire Stuart |
Strap & buckle
| Strap material | Louisiana crocodile leather |
| Type of buckle | Pin buckle or folding clasp |
Characteristics
| Water resistance in atm | 3 bar (30m) |
| Special | Screw-mounted correctors; delivered with watch winder |
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