Graham Watch Silverstone RS Endurance Orange 2STCB.B04A. Racing beauty. There is no better place than a race circuit to talk about endurance. The manly tri compax Silverstone RS endurance 12HR chronograph is the top speed wrist machine designed for Gentlemen drivers. Performance and thrill guaranteed. The tri compax chronograph knows what racing is all about. The black smoked openwork dial features a 12HR, minutes and automobile brake disc-shaped second counter. The shiny ceramic bezel with its orange tachymeter scale gives the watch its vivid personality. Lets hit the road again. 46 mm steel with black PVD case, calibre G1735 automatic tri compax chronograph, date at 9 o clock with white and orange striped disc date referring to race tracks painted kerbing edges, 25 jewels, 28 800 A/h (4Hz), Incabloc shock absorber, 46 hours power reserve, black ceramic bezel with orange tachymeter scale, orange aluminium ring under the bezel with Clous de Paris, black smoked openwork dial, automobile brake disc shaped seconds counter with orange indicator, sapphire crystal, anti-reflective coating on both faces, smoked sapphire crystal case back, integrated black tyre tread rubber with orange inset.