DESCRIPTION
The Sky Moon Tourbillon Ref. 5002 is the most complicated wristwatch ever produced by Patek Philippe and also the workshop's first double-face wristwatch. Its movement consists of 686 parts, some of which are microscopically small.
GENERAL
Minute repeater with tourbillon escapement
Chime with two “cathedral“ gongs activated by a slide piece in the case
Front side:
Perpetual calendar with retrograde date hand
Hours and minutes of mean solar time
Day, month, leap year by hands
Moon age
Crown at 4 o'clock: setting of the time and winding
Opaline-white dial with embossed Calatrava cross motif, gold applied Roman numerals
9 hands
Reverse side:
Sidereal time, skychart, phase and orbit of the moon
Crown at 8 o'clock (24-hour scale): correction of sky/moon indications
Case is humidity and dust protected only (not water resistant)
Case diameter: 42.8 mm
CALIBER R TO 27 QR SID LU CL
Thickness: 12.61 mm
Diameter: 38.00 mm
Case diameter: 42.80 mm
Number of jewels: 55
Power reserve: min 38 max 48 hours
Balance-wheel: Gyromax
Geneva Seal Hallmark