• cal. RD28 manual winding nickel lever movement, stamped twice with the seal of Geneva, 25 jewels, mono-metallic balance • white dial, painted black radial Roman numerals, blued steel Spade hands, subsidiary dials for constant seconds and 30-minute register, inner minute track • 18k white gold and diamond set rectangular case, screw set lugs, sapphire crystal display back secured by eight screws, single chronograph button in the crown • case, dial, and movement signed • with an 18k white gold and diamond set Roger Dubuis buckle

The movement is running at time of cataloguing, 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. Case in overall fair condition with wear, scuffing and scratches consistent with moderate use. Case bands with surface scratches. Two heavier markings on the left side case band at 8 and between 10 & 11. Material wear to the lug bands. All diamonds present. Case and buckle overall may benefit from light cleaning. Dial in excellent condition. Movement in excellent condition. 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 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 a Roger Dubuis certificate of origin, a Republic and Canton of Geneva certificate of origin, a chronometer certification, a leather pouch, a leather bi-fold, a sales tag, and a presentation box with outer packaging.

The total diamond weight is approximately 1.82 cts.