Omega

• cal. 33.3 CHRO, nickel lever manual winding movement, 17 jewels • bi-color black and white with painted Arabic numerals subsidiary dials for the second and 30 minute register, inner telemeter and pulsometer scales, outer minute/second divisions, outermost tachometer scale, yellow gold feuille hands • polished and brushed case, snap on case back • dial, case and movement signed • with a gold plated Omega buckle

Movement running at the time of cataloguing however it may require a service in the near future to be well preserved. Dial in very good condition. Case in very good condition, few scuffs on the case back. Overall 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.

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."

The chronograph caliber 33.3 CHRO was created by Lemania in 1933. Very precise and highly reliable, the caliber 33.3 CHRO was well regarded and circa 14.000 Omega chronograph were equipped up to 1952. The dials featured a simple minute circle with or without a tachometer, telemeter or pulsometer scales or, more rarely, with all three scales. We can consider the present lot as one of the rarest Ref. OT2393 equipped with caliber 33.3 CHRO due to it's black dial and the three scales.

For similar watches, please see Omega A Journey Through Time by Marco Richon pagg. 537 and 538.