Authentic Omega Speedmaster Chronoscope Co-Axial Master Chronometer Chronograph 43mm Blue Dial Steel Men's Watch Model 329.30.43.51.03.001

Master Chronometer movement, Co-Axial escapement. Authentic Omega Speedmaster Chronoscope design with blue dial and steel case. Equipped with a stainless steel watch band featuring silver finish. Fixed Tachymeter Scale bezel allows measuring time based on speed or distance covered. Dial features rhodium-plated hands, Arabic numeral hour markers, 3 integrated timing scales (tachymeter indicated in snail motif), and two sub-dials. The tachymeter scale measures speed per unit time; pulsometer tracks pulse rate over a set period; telemeter gauges distance based on signal transmission time - all visible through the snail design element. Includes a 60-minute chronograph sub-dial and a 12-hour chronograph sub-dial displaying elapsed hours. Manually wound mechanical movement offering reliable performance with a power reserve of up to 60 hours. Features sapphire crystal for scratch resistance and clarity. Round case shape measuring 43mm in diameter, finished with transparent sapphire back exposing the mechanics. Complies with ISO standard water resistance at depths equivalent to 50 meters (165 feet). Comes with a comprehensive 2-year WatchMaxx warranty covering manufacturing defects. Model designation also includes reference number 32930435103001.