• cal. 240 Q automatic lever movement, stamped with the seal of Geneva, 27 jewels, Gyromax balance, 22k gold micro rotor • silvered dial, applied pink gold faceted baton indexes, pink gold Dauphine hands, subsidiary dials for day combined with 24 hour indication, month combined with leap year indication, moon phases combined with date • 18k pink gold case, solid snap on case back • case, dial, and movement signed • with an 18k pink gold Patek Philippe buckle

CASE Case in overall very good condition with light wear consistent with occasional use. Some light surface scuffing to the bands and back. Two hallmarks to the left side case band still well delineated. Superficial surface scratches to the case back. Some very light oxidation. Buckle with heavier scuffing and wear. Case overall may benefit from cleaning. DIAL Dial in overall excellent condition. MOVEMENT Perpetual Calendar, and moon phases operating 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 July 28, 1989. Together with booklets, one setting pin, one bi fold, and two winding presentation boxes. Ref. 3940 was produced from about 1986 to 2007, succeeding Ref. 3448 and Ref. 3450. The design was so well received that when it was succeeded in 2007 by Ref. 5140, the subtle design differences of the latter were nearly indiscernible.

An example of the Ref. 3940 is illustrated in Martin Huber & Alan Banbery, Patek Philippe Wristwatches, 2nd ed., 1998, p. 292–293.