Important Collectors’ Wristwatches an...

Hôtel Plaza Athénée - Le Trianon, Sep 28, 2005

LOT 224

"Opus" Chronoswiss, "Opus", Chronograph, No. 1797, Ref. CH 7525 K. Made in the 1990s. Very fine, skeletonized, self-winding, water-resistant, 18K yellow gold gentleman's wristwatch with round button chronograph, registers, date and an 18K yellow gold Chronoswiss deployant clasp.

C. Three-body, solid, polished and brushed, reeded bezel and back edge, screwed-down transparent case back, straight lugs, gold screwed bars, sapphire crystals. D. Skeletonized solid silver, outer 1/5th seconds scale, subsidiary ring dials for the days of the month at 3, the seconds at 9, 12-hour register at 6 and 30-minute register at 12. Blued steel "Breguet" hands. M. Cal. C 741, skeletonized and ?oeil-de-perdrix? decorated, gilt brass, 23 jewels, straight line lever escapement, monometallic balance, shock-absorber, self-compensating flat balancespring, micrometer regulator. Dial and movement signed, case numbered. Diam. 38 mm. Thickness: 15 mm.