GENERAL
- Caliber 315 S QR
- Mechanical self-winding movement
- Perpetual calendar with retrograde date hand
- Day, month, leap year in apertures
- Moon phases
- Center sweep second hand
- Silvery opaline dial, hand-guilloched center, black Roman numerals
- Fold-over clasp
- Sapphire crystal case back protected by a hinged dust cover
- Water resistant to 30 m
- Case diameter: 38 mm
- White gold
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CALIBER 315 S QR
- Perpetual calendar with retrograde date hand
- Day, month, leap year in apertures
- Moon phases
- Center sweep second hand
- Overall diameter: 28 mm
- Height: 5.25 mm
- 30 jewels, 9 bridges
- Balance: Gyromax
- Vibrations per hour: 21'600
- Power reserve: 48 h max
- Number of parts: 361
- 21K gold central rotor
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