18kt yellow gold case with a blue leather strap. Uni-directional rotating 18kt yellow gold with a blue ceramic ring bezel. Blue dial with 18kt yellow gold hands and index-Arabic numeral hour markers. Arabic numeral markers at the 3, 6, 9 and 12 o'clock positions. Dial Type: Analog. Calibre 8913 automatic movement. Scratch resistant sapphire crystal. Screw down crown. Transparent see through case back. Round case shape, case size: 41 mm. Band width: 21 mm. Water resistant at 300 meters / 1000 feet. Functions: hour, minute, second, anti-magnetic, master chronometer, time zone. Seamaster 300 Series. Luxury watch style. Watch label: Swiss Made. Omega Seamaster 300 Co-Axial Master Chronometer Automatic Blue Dial Men's Watch 234.63.41.21.99.002.