Brushed and polished stainless steel rectangular fluted case (39 mm x 35 mm, 11.5 mm thick), Sapphire crystal screw-in case-back Silver line guilloche dial with rotor in center, Silver-tone hands, Sweep second hand, Black Roman numerals Date window at the 6 o'clock position, Scratch resistant glareproofed sapphire crystal, Crown embossed with Perrelet logo Swiss automatic movement, Caliber P-181, 28,800 vibrations/hour (4 Hz), Power reserve of 42 hours, Water resistant to 5 ATM/50 meters/165 feet Brushed and polished stainless steel bracelet, Push button deployment clasp, Fits up to an 8.5 inch wrist