Datograph Perpetual
OVERVIEW
DETAILS
The DATOGRAPH PERPETUAL is a wristwatch that combines a chronograph with a perpetual calendar. With indications of the date, day of week, month, and leap year, this perpetual calendar is engineered to such a degree of accuracy that it requires no adjustment until the year 2100, when a one-day correction is needed. Conversely, its chronograph can stop times to an accuracy of one-fifth of a second.
Reference: 410.032
Case: 18-carat pink gold
Dial: Solid silver, argenté
Hands: Pink gold and blued steel
Datograph Perpetual
Number of parts movement/jewels
556/45
Screwed gold chatons
4
Escapement
Lever escapement
Oscillator
Shock-proofed Glucydur balance with eccentric poising weights; balance spring produced in-house, with patented attachment design (balance spring clamp), frequency 18,000 semi-oscillations per hour, precision beat adjustment with lateral setscrew and whiplash spring
Power reserve
More than 36 hours when fully wound
Functions
Hours and minutes. Subsidiary seconds dial. Chronograph with flyback and precisely jumping minute counter. Perpetual calendar with outsize date, day of week, month, and leap-year display. Moon-phase display. Day/night indication. Stop-seconds mechanism.
Case measures
Diameter: 41.0 millimeters, Height: 13.5 millimeters
Movement measures
Diameter: 32.0 millimeters, Height: 8.0 millimeters
Case versions
pink gold
Price:$127,700

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