Functions chronograph seconds 30 minutes counter date at 7 oclock hours minutes secondr calibre calibre g1734 automatic bi compax chronograph 28800 ah 4 hz incabloc shock absorberr 27 jewelsr power reserve 48 hoursr case 47 mm steel caser steel right hand start stop and reset pushers with clous de paris high grip patternr steel bezel with clous de paris decorationr domed sapphire crystal anti reflective coating on both facesr see through sapphire crystal case back