Vacheron Constantin. A Fine and Rare Platinum Twin Barrel Tourbillon Wristwatch with Power Reserve

Vacheron Constantin. A Fine and Rare Platinum Twin Barrel Tourbillon Wristwatch with Power Reserve
Signed Vacheron Constantin, No. 31, Ref. 30050, Movement No. 816'561, Case No. 633'276, Circa 1994
Cal. 1760 twin barrel mechanical movement, 28 jewels, one-minute revolving three arm tourbillon carriage visible through an aperture at the 6 o'clock, silvered engine-turned dial, applied Roman and dagger numerals, fan-form sector for power reserve at 12 o'clock, circular case, sapphire crystal display back, platinum Vacheron Constantin buckle, case, dial and movement signed
38mm diam.