Seiko Lukia SRWZ15P1 Ladies Quartz Chronograph Black-Tone Stainless Steel Bracelet Watch. Quartz movement. Caliber 7T12. Black-tone stainless steel case. Black-tone stainless steel bracelet. Three-fold clasp with push button release. Purple dial with Roman numerals. Lumibrite on hands. Date display. Chronograph up to 60 mins in 1/5 sec increments. Screw case back. Sapphire crystal glass. Water resistant to 100 meters. Approximate case diameter: 35.5mm.