Rolex Datejust modified with a Perpetual Calendar module by Franck Muller, Unique Piece, Ref. 16238
Switzerland, circa 1987
Automatic movement, caliber 3135 plus custom perpetual calendar module by Franck Muller, 31 jewels; hours, minutes, seconds, and perpetual calendar with moon phase
Crème dial with applied Gold Baton hour-markers, black Arabic numeral sub-dials for the day, date, month, year, and moon phases and age; Gold with luminous Obelisque hands
18kt Yellow Gold case, crown, and screw-down caseback, with fluted bezel
Rolex black leather strap with Rolex 18kt Yellow Gold pin buckle
Hallmarked on the case, caseback, and buckle
Case No. R846720
Case Diameter: 36mm; Height: 12mm
Length of strap: 22.5cm; Lugs width: 19mm
Accompanied by the original box, manuals, guarantee, and polishing cloth, also comes with a wood pin pusher, possibly made by Franck Muller, and a suede pouch
Fully functional, very good condition with minor traces of wear; Overhaul recommended, at buyer's expense

This Rolex Datejust modified with a Perpetual Calendar module by Franck Muller, Unique Piece, Ref. 16238, watch was made in Switzerland circa 1987. It is fitted with an automatic movement, caliber 3135 plus custom perpetual calendar module by Franck Muller, with 31 jewels and displays hours, minutes, seconds, and perpetual calendar with moon phase. The Crème dial has applied Gold Baton hour-markers, black Arabic numeral sub-dials for the day, date, month, year, and moon phases and age, and gold with luminous Obelisque hands. Watch case, crown, and screw-down caseback are made of 18kt yellow gold, with a fluted bezel. The case number is R846720. The watch has a Rolex black leather strap and Rolex 18kt yellow gold pin buckle.

The watch case diameter is 36mm and 12mm in height. The strap length is 22.5cm and the lugs width is 19mm. Hallmarked on the case, caseback, and buckle. Accompanied by the original box, manuals, guarantee, and polishing cloth, the watch also comes with a wood pin pusher, possibly made by Franck Muller, and a suede pouch. Timepiece is in very good condition with minor traces of wear. During in-house testing the watch was fully functional. Overhaul is recommended at the buyer’s expense. Long-term precision and regularity cannot be guaranteed.

Size and weight may deviate from the manufacturer’s indication. All watches are hand-measured and weighed.

Should this lot contain property from endangered species, these elements with not be shipped. This only applies to prospective non-EU customers if a species conservation certificate is missing.