Patek Philippe

• cal. 19''' manual winding, nickel lever escapement • enamel white with painted black Roman numerals, subsidiary dials for the month, day, date, second and ages of the moon, aperture for the moon phase, outer minute divisions, blued steel spade hands • polished 18K pink gold Louis XVI style case, hinged cuvette, minute repeater slide at 6 o'clock • dial and case signed

Movement is in working order while cataloguing but it has not been tested for the accuracy of time keeping and a service might be required at the buyer's expense. Minute repeater perfectly working. Dial in very good condition, tiny hairline in the month subsidiary dial. Professionally polished case in very good condition, polished inside cuvette, few tiny scratches overall the case due to normal wear. Overall in very good condition.
"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.

Important Notice regarding importation into the United States of Rolex watches
Sotheby's cannot arrange for the delivery of Rolex watches to the United States because U.S. laws restricts the import of Rolex watches. The buyer or a designated agent may collect the property in the country of sale."

The first pocket watch with minute repeater and perpetual calendar known to have been made by Patek Philippe dates to 1874. Research shows that from 1874 to 1889, the perpetual calendar movements were all slightly different from each other as the company worked towards perfecting the complication. Consequently, watches with perpetual calendar made during the 1874-1889 period can all be considered unique. Patek Philippe finally patented their complication on May 23rd, 1889 under Swiss Patent No.1018.
Only 85 pocket watches with minute repeater and perpetual calendar are known to the market, of which approximately 60 were made before World War II. The advantage of a perpetual calendar mechanism lies in its ability to indicate the jump in days, dates, months and lunar phases, regardless of the number of days in a month and the complication will even allow for leap years. 
For similar examples, see: Huber, M., Banbery, A, Patek Philippe, Geneve, 1982, Peter Ineichen, pp. 203-209.