• cal 240/188 nickel lever movement stamped with seal of Geneva, 33 jewels, yellow gold micro-rotor, Gyromax balance • silvered dial with blue guilloché center, applied white gold baton indexes, rotating  inner chapter ring calibrated for 24 hours divided into diurnal and nocturnal hours, outer rotating ring indicating 24 different time zones • platinum circular case, pusher at 11 o'clock to change cities, screw down sapphire crystal display back • case, dial and movement signed • with a platinum Patek Philippe folding clasp 

Movement running at time of cataloging, however not tested for the accuracy of time and may need service at the buyer's discretion. World time functions correctly. Dial and case in excellent condition. Please note the diameter of this watch is 37 mm. 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.
"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 an Extract from the Archives confirming sale on February 28th, 2002. 

Ref. 5110, made from 2000꧒ until 2006, was the first world time model produced by Patek Philippe s𓄧ince the Ref. 2523.