Important Modern & Vintage Timepieces

Geneva, Nov 08, 2015

LOT 258

BREGUET REF. 3755 SKELETONIZED PERPETUAL CALENDAR TOURBILLON PLATINUM Breguet, "Tourbillon Skeleton Perpetual" No. 1137 AE, Ref. 3755. Made circa 2009. Very fine, rare and important limited series platinum-cased wristwatch with skeletonized pink movement, visible one-minute tourbillon regulator, perpetual calendar with retrograde date and a platinum Breguet deployant clasp.

Three-body, solid, polished, rounded bezel, coin-edge band with inset calendar adjusters, straight lugs with screw bars, transparent case back, sapphire crystals. Skeletonized with off-center hand-guilloche silver ring dial, painted radial Roman numerals for the hours, minutes and concentric upper half retrograde date, silver ring dials for the months at 3 combined with leap year indicator and the days of the week at 9, retrograde 30-seconds graduation at 6, aperture for the tourbillon cage with handengraved steel bridge carrying a blued steel double seconds hand at 6. Blued steel Breguet, arrow and serpentine hands. Cal.13''', pink gold-plated brass skeletonized and hand engraved, 21 jewels, lateral lever escapement with one-minute tourbillon regulator with polished steel arms, monometallic balance, self-compensating Breguet balance spring.