39mm 18K yellow gold case, sapphire crystal back, silvery opaline dial with gold applied hour markers, manually wound caliber CH 29-535 PS movement with column-wheel chronograph, chronograph hand, subsidiary seconds, and 30-minute counter, approximately 65 hour of power reserve, leather strap with fold-over buckle. Water resistant to 30 meters.
38 mm rose gold case, 10.59 mm thick, sapphire-crystal back, bezel encircled with diamonds, silvery opaline dial, caliber CH 29-535 PS manually wound movement with pulsimeter, approximately 65 hours of power reserve, shiny mink gray alligator strap with square scales, prong buckle. Water resistant to 30 m.