• cal. CH 315 automatic nickel lever movement, stamped with the seal of Geneva, 30 jewels • silvered matte dial with center guilloché sunburst pattern, painted black radial Roman numerals, concentric retrograde sector for the days of the month, outer 1/5th seconds track, apertures for day, month, leap year, and moon phases • 18k white gold case, straight lugs with screwed bars, sapphire crystal case back concealed by hinged solid white gold case back • case, dial, and movement signed

The movement is running at time of cataloguing, however it was not tested for the accuracy of time or duration of the power reserve and may need service at the buyer's discretion. Please note that Sotheby's does not guarantee the future working of the movement. Perpetual calendar, retrograde and moon phases functions working properly at time of cataloguing. Case in overall excellent condition with light surface scuffing from shop year. Dial and movement in excellent condition. Please be advised that the bands on this watch are made of materials derived from endangered or otherwise protected species (i.e. alligator and crocodile) and thus not sold with the watch, they are for display purposes only. We will remove these bands prior to shipping.
"In response to your inquiry, we are pleased to provide you with a general report of the condition of the property described above. All dimensions in catalogue descriptions are approximate. Condition reports may not specify mechanical replacements or imperfections to the movement, case, dial, pendulum, separate base(s) or dome. Watches in water-resistant cases have been opened to examine movements but no warranties are made that the watches are currently water-resistant. Please note that we do not guarantee the authenticity of any individual component parts, such as wheels, hands, crowns, crystals, screws, bracelets and leather bands, since subsequent repairs and restoration work may have resulted in the replacement of original parts. Since we are not professional conservators or restorers, we urge you to consult with a restorer or conservator of your choice who will be better able to provide a detailed, professional report. Prospective buyers should inspect each lot to satisfy themselves as to condition and must understand that any statement made by Sotheby's is merely a subjective, qualified opinion. Prospective buyers should also refer to any Important Notices regarding this sale, which are printed in the Sale Catalogue. In particular, please note it is the purchaser's responsibility to comply with any applicable import and export matters, particularly in relation to lots incorporating materials from endangered species.NOTWITHSTANDING THIS REPORT OR ANY DISCUSSIONS CONCERNING A LOT, ALL LOTS ARE OFFERED AND SOLD AS IS" IN ACCORDANCE WITH THE CONDITIONS OF BUSINESS PRINTED IN THE SALE CATALOGUE."

**Please be advised that bands made of materials derived from endangered or otherwise protected species (i.e. alligator and crocodile) are not sold with the watches and are for display purposes only. We reserve the right to remove these bands prior to shipping."

Accompanied by a Patek Philippe Certificate of Origin and an Extract from the Archives confirming sale on October 17, 2008. Together with a leather bi-fold, three booklets, a service box and a presentation box with outer packaging. 

Reference 5159 was launched in 2007 as a rediscovery of the legendary Officer's watches. The diameter of the case😼, which features a dust cover that protects the sapphire-crystal back, is 38 mm – 2 mm more than its predecessor, reference 5059. The🌟 dial has been thoroughly reworked, featuring elongated Roman numerals and a guilloché center.

Patek Philippe has created only a few models with perpetual calendar, retrograde date and swee🍸p seconds:♉ Refs. 5050, 5059, 5159 and 5160.