Patek Philippe

• cal. B-21 quartz movement, 13 jewels • two toned gilt dial, applied yellow gold baton indexes, baton hands, center seconds, aperture for date, outer minute divisions • large 18k yellow gold cushion form case without lugs, solid screw down case back • case, dial, and movement signed • with an 18k yellow gold integrated grill form bracelet and folding clasp

The battery is running at the time of cataloguing however will require periodic replacement in the future. Sotheby's may not guarantee the life of the current battery. The movement has not been 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. Case in overall very good vintage condition with light wear and very light surface markings. Bezel in overall very good condition with light surface scuffing especially between 3 and 6. A small dent to the lower right corner between 4 and 5. Case band by 4 and 5 with heavier surface scuffs and markings. Case bands with some marks overall. Screw down case back with a pink Patek Philippe International Customer Service sticker. Some oxidation and surface scuffs. Area under the adhesive is not observed. Light equivalent wear to the bracelet. Dial in excellent condition with some light debris. Movement 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."

Accompanied by a Patek Philippe Extract from the Archives confirming the year of manufacture in 1972, and sale on September 5th, 1973 with a yellow gold bracelet.

Reference 3587 was launched in 1969, later becoming 3597 in 1973. The Beta-21 is a historically significant timepiece, conceived by Patek Philippe during the 1970s quartz era.