Handsome contoured case in premium grade, polished steel is presented on the supple black calfskin strap with pierced detail. Precision, hand-wound mechanical movement. Fluted crown and oversized push-pins add distinction. Handsome black dial with 3 subdials, luminous hands and hour markers. Chronograph functions include seconds, 30 minute and 12 hour registers. Decimal conversion scale. Authentic convex plexiglas crystal. Water resistant to 30 meters (100 feet). Case is 37mm diameter, 13mm thick.