Omega Speedmaster Chronograph 38 mm Diamond Ladies Watch 324.18.38.40.05.001. Stainless steel case with a white leather strap. Fixed stainless steel bezel set with diamonds. White mother of pearl dial with silver-tone hands and Arabic numeral hour markers. Minute markers around the outer rim. Scratch resistant sapphire crystal. Pull / push crown. Solid case back. Case diameter: 38 mm. Round case shape. Band width: 21.6 mm. Band length: 8.5 inches. Deployment clasp. Water resistant at 100 meters / 330 feet. Functions: chronograph, date, hour, minute, second, chronometer. Luxury watch.