Vacheron Constantin. A fine and rare stainless steel automatic limited edition chronograph calendar wristwatch
Overseas Chronograph "Engine", Ref. 49150/B01M-9251, Case no. 1132491, Movement no. 5123284, Circa 2007
37-jewel, Cal. 1137 automatic chronograph movement, monometallic balance, self compensating balance spring, shock protection, carbon fiber dial with luminous circular hour markers, subsidiary dials for seconds at 6, 30-minute and 12-hour chronograph registers at 3 and 9 with zero setting at 7:30, outer chapter ring register for tachometer graduation, luminous hour and minute hands, red chronograph hand set at 7:30, stainless steel case, crown and chronograph pushers, titanium bezel with "Engine start" engraved at 2 o'clock, sapphire crystal, solid case back secured by 8 screws, stainless steel bracelet with double folding buckle, together with fitting box and certificate, case, dial and movement signed 42mm.