• cal. 1499 resonance controlled twin independent manually wound in tandem nickel lever movement, free-sprung Gyromax balances • silvered dial, fan form sector for power reserve indication, two engine turned dials indicating time with overlapping subsidiary dials for seconds • crown at 12 o'clock to adjust both time zones, crown at 4 o'clock to synchronize the seconds hands, sapphire crystal display case back secured by 6 screws • case, dial and movement signed • with a platinum F.P. Journe buckle    

Movement running at time of cataloging, however not tested for the accuracy of time and may need service at the buyer's discretion. Dial in excellent condition. Case in excellent condition. The present lot contains endangered species which is subject to restrictions upon international export. Accordingly, the strap for this item will be removed prior to shipment outside the United States.
"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 a presentation box. 

The prototype of the Résonance System Chronometer, introduced by François-Paul Journe at the 1999 Basel Watch Show, represented a world first. Working in conjunction with one another, the watch possesses two enti𓆉rel🦹y independent movements designed to produce a high degree of precision by compensating for each other's minor errors. This watch also represents the only precision chronometer immune to the effects of being worn. Oscillating in natural opposition, the two balances absorb shocks associated with normal wear.

The Chronomètre àꦓ; Résonance was made between 2001 and 2003.