Graham Silverstone RS Racing model 2STEA.U02A.K10. Swiss automatic chronograph movement. Stainless steel case with blue bezel and tachymeter scale. Sapphire crystal. Blue checkered dial with day/date calendar, red color accents, automobile brake disc-shaped seconds counter. 100 meters water resistant. Blue "Tire" style rubber band with red accents.
Graham Silverstone RS Racing model 2STEA.B15A.K11. Swiss automatic chronograph movement. Stainless steel case with black bezel and tachymeter scale. Sapphire crystal. Black checkered dial with day/date calendar, yellow color accents, automobile brake disc-shaped seconds counter. 100 meters water resistant. Red "Tire" style rubber band with yellow accents.