• cal. 28-20 10-day nickel lever movement stamped with the seal of Geneva, 29 jewels set in gold chatons, two train winding, Gyromax balance • off-white dial, applied yellow gold dart and Arabic indexes, yellow gold dauphine hands, subsidiary dials for seconds and circular 10-day power reserve indication at 12 o'clock • 18k yellow gold rectangular flared case, sapphire crystal display back secured by 4 screws • case, dial and movement signed • with an 18k yellow gold Patek Philippe buckle

Movement running at time of cataloguing, however it was not tested for the accuracy of time and may need service at the buyer's discretion. All functions work properly. Case is in fair condition with dents and scratches along the bezel, case band and lugs, wear and rubbing to the bezel and lugs. Large scuffs to the case at 3. Dial in very good condition. The strap of this watch contains endangered species; please see Important Notices for further information.
"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."

Accompanied by the Certificate of Origin, the Third Millennium Booklet, Attestation, COSC, leather documents folder, and original box. With an Extract from the Archives confirming date of sale on 31 January 2001.

In total, 1500 yellow gold examples of Ref. 5100 were produced. See previous lot for a complete note on the Ref. 5100.