Dial: silvered, day and month in EnglishCaliber: 17'"170 Q movement, 18 jewelsMovement number: 931103Case: 18k yellow gold, personally inscribed snap on case backCase number: 697640Size: diameter 46 mmSigned: case, dial and movementAccessories: Patek Philippe Extract from the Archives confirming the year of manufacture in 1951 and sale on May 20, 1963, associated 14k gold chain

CASE Case is personally inscribed " To may darling your perpetual calendar so you can always remember me Elaine." Case in overall good condition with wear and light surface scuffing consistent with use and age. Case bands with some surface scuffs and small scratches. A heavier scuff mark to the band at 11. Case back with surface wear and scuffs throughout. Crystal glazing with some scuffs. DIAL Dial in overall good condition with some light surface dust. Logo is raised and very attractive.Some very light wear to the hands, applied indexes and moon phases disc. MOVEMENT Calendar phases properly - activated through pushers to the band. 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.
"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."

The present lot is tenderly inscribed for the original owner, 'To my Darling, your perpetual calendar so you can always remember me, Elaine.'

The Ref 725 was launched in 1940 and produced for about 40 years and features arguably the best 17'" caliber quality of its time. The caliber was so celebrated that the firm modified this caliber for a variety of famed models including world time and skeletonized watches.