細節
VACHERON CONSTANTIN. A FINE AND RARE 18K GOLD TWIN BARREL TOURBILLON WRISTWATCH WITH POWER RESERVE
SIGNED VACHERON CONSTANTIN, GENEVE, LES COMPLICATIONS, NO. 117, MOVEMENT NO. 835627, CASE NO. 645809, REF. 30050, CIRCA 1993
Cal. 1760 twin barrel nickel-finished lever movement, 28 jewels, mono-metallic balance, one-minute revolving three arm tourbillon carriage visible through an aperture at the 6 o'clock, silvered engine-turned dial, applied Roman and triangular numerals, fan-form sector for power reserve at 12 o'clock, circular case, sapphire crystal display back, case, dial and movement signed, 18k gold Vacheron Constantin buckle
38mm diam.