42mm square titanium chronograph with HUB1280 Unico 2 automatic movement (72-hour power reserve, 1.3mm thinner than original Unico), satin-finished and polished titanium case, satin-finished and polished black ceramic bezel with 6 H-shaped titanium screws, skeletonized sapphire crystal dial with chronograph subdials and date, sapphire exhibition caseback with anti-reflective treatment, screw-down crown, and black structured rubber strap with titanium deployant buckle.