Antiquorum Auctioneers since 1974

Important Modern & Vintage Timepieces

Hong Kong, Sep 28, 2026

LOT 55

L.LEROY & CIE, SINGLE BUTTON CHRONOGRAPH, 18K YELLOW GOLD

HKD 20,000 - 40,000

EUR 2,300 - 4,500 / CHF 2,100 - 4,200 / USD 2,600 - 5,100 / JPY 396,000 - 790,000

A very fine and rare, 18k yellow gold, open-face keyless pocket watch with a chronograph and instantaneous 30-minute register. It features a white enamel dial with Roman numerals, outer chronograph divisions, a 30-minute sub-dial at 12, and subsidiary seconds at 6.


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Grading System
Grade: AA

Very good

Case: 3-8

Good

Slightly scratched

Movement: 3*

Good

Overhaul recommended, at buyer's expense

Dial: 2-6-01

Very good

Slightly oxidized

HANDS Original

Brand L.Leroy & Cie

Year circa 1905

Case No. 80207, 62604

Caliber 17"', rhodium plated, 21 jewels, counterpoised straight-line lever escapement, cut-bimetallic compensation balance, blued steel Breguet balance spring, index regulator.

Diameter 46mm

Weight 79.2g

Signature Dial and case



CONDITIONS AND INFORMATION FOR BUYERS.
The purchase price payable by a buyer will be the sum of the final bid price plus the buyer’s premium, together with any applicable sales or compensating use tax. In addition to the hammer price, the buyer’s premium is payable as follows: 26% of the hammer price on each lot.
Please look carefully at all the photos as they are an integral part of the description. Any defect not mentioned in the descriptions but visible on the photos will be considered as described and cannot lead to any claim. The dimensions are given as an indication and may slightly differ from the measures mentioned by the manufacturers especially for contemporary watches. The photos are not retouched. Colors may differ from reality. For timepieces, we guarantee neither the functioning nor the precision of the movement, nor the water-resistance of the case. In addition, please note that movements, parts of mechanisms or cases may be incomplete.
The lots are sold “as is”, described to the best of our knowledge and cannot be returned. Once the online bid is placed by the bidder, it cannot be cancelled.