Swiss Made, mechanical  self winding movement 2824-2 and cronograph Valjoux 7750, 25 rubies. ball bearing rotor , 28.800 vibrations per hour, quick date and week day change, stop device. Regulator system ETACHROM and regulator corrector, INCABLOC anti shock system , 42  hours power reserve, Stainless Steel case 316L, luminous dial Superluminova, water resistant 50 mts./ 5 ATM, Sapphire crystal, 42 mm, leather band.