• cal. 240 Q automatic movement, stamped with the seal of Geneva, 27 jewels, mono metallic Gyromax balance, 22k yellow gold micro rotor • silvered dial, applied yellow gold Breguet numerals, yellow gold Breguet hands, subsidiary dials for day combined with 24-hour indication, month combined with leap year indication, date combined with moon phases, outer minute track • 18k yellow gold tonneau form case, snap on sapphire crystal case back • case, dial, and movement signed • with an 18k yellow gold Patek Philippe buckle 

CASE Case in overall very good condition with light wear and scuffs consistent with age and occasional use. Case overall with light and even oxidation. Backs of lower lugs with a scratch under close observation. Bands and bezel with some wear and superficial scuffs. DIAL Dial in very good condition. Two very small dark specs near the brand signature, especially under the first E of Geneve. An extremely small speck to the moon of the moon phase disc, discernable only under very close observation. MOVEMENT Perpetual calendar function working properly. The movement is running at time of cataloging, 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. ***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 international 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 Extract from the Archives confirming the date of sale on November 20, 1992 with applied Breguet numerals. Together with one additional 18k yellow gold Patek Philippe case back.  The present lot is one of the first reference 5040 produced and dates from the introductory year of the model. The reference remained in production until 2007, and was one of the firm's most exceptional timepieces, combining the highly desired and iconic perpetual calendar with an exciting tonneau form case.