Omega Co-Axial Chronograph 38mm

Omega Speedmaster Chronograph Automatic Mens Watch 324.30.38.50.55.001. Stainless steel case with a stainless steel bracelet. Fixed stainless steel bezel with a blue ceramic top ring showing tachymeter markings. Blue dial with silver-tone hands and index hour markers. Minute markers around the outer rim. Omega calibre 3330 automatic movement with a 52-hour power reserve. Scratch resistant sapphire crystal. Pull / push crown. Solid case back. Case size: 38 mm. Case thickness: 15 mm. Round case shape. Band width: 18 mm. Fold over clasp with a push button release. Water resistant at 100 meters / 330 feet.