• automatic nickel finished lever movement, 18 jewels • silvered dial, applied Arabic numeral, dart and square indexes, Feuille hands, arrow date hand, apertures for day and month in English, subsidiary dial for seconds combined with moon phases, outer minute track, outermost blue date track • stainless steel case, solid snap on case back • case, dial, and movement signed 

CASE Case in overall fair condition with wear, scuffing, and small scratches consistent with age and use. Signs of previous polish. Case number to outside of case back and coronet heavily faded and worn, but still visible. Scratches to the back of lugs. Wear and scuffing throughout. DIAL Dial has been refreshed. Some small surface markings and debris throughout. Light oxidation to the applied indexes and hands. MOVEMENT Triple calendar function operating. MOVEMENT NUMBERED G4768 67128 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. ***Please be advised that the bands on this watch are made of materials derived from endangered or otherwise protected species (i.e. alligator and crocodile) and thus not sold with the watch, they are for display purposes only. We will remove these bands prior to international 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."

Rolex produced two watches with moon-phases: the present model, reference 8171, with a snap on case back, and reference 6062, an Oyster model with a screw down case back. The reference 8171 was produced in small numbers during only 3 years, from 1949 to 1952.