Graham Silverstone 2TSAS.B02A

Case Round case in stainless steel, polished, fixed bezel in stainless steel, polished, exhibition caseback fixed on 6 screws, winding crown at 3 o’clock, ‘pump’ chronograph pushers at 2 and 4 o’clock Strap Black alligator strap, double folding clasp in stainless steel, signed Graham Dial Black dial, signed Graham Tourbillograph, white metal polished ‘plume’ hour and minute hands, luminous, applied white metal polished Arabic numerals and baguette indexes, minutes track and tachymeter scale around the outer inclined rim, white metal polished central chronograph seconds hand, recessed and grooved sub-dials, 30-minute counter at 3 o’clock, 12-hour counter at 6 o’clock, tourbillon window at 10 o’clock Movement Self-winding mechanical movement, column-wheel chronograph, rhodium plated, bridges with snailed finish and perlage, black open-worked ‘whirlwind’ rotor, functions: hours, minutes, tourbillon, chronograph with 12-hour, 30-minute and seconds counters Cal. G.1780 (La Joux-Perret on base Eta/Valjo Ref. 2TSAS.B02A Case No. 5/50 D= 48 mm