Omega Speedmaster model 329.32.44.51.01.001, automatic chronograph movement Calibre 9900 with 54 jewels and power reserve of approx 60 hours beating at 28800 vph. Features stainless steel case, black leather strap, fixed bezel with ceramic insert showing tachymeter markings (Speedmaster Racing Series). Analog dial design featuring a black face, luminous orange hands, index hour markers, minute markers on the outer rim, date display positioned at the 6 o'clock mark, and screw down crown. Includes chronograph function with two sub-dials: one for 12 hours and another displaying 60 seconds. Also dive watch style functions. Luminous elements glow under low light conditions (luminescent). Equipped with scratch-resistant sapphire crystal glass over the dial, transparent case back allowing view of the movement, round shape, size 44.25 mm diameter, band width 21 mm. Water resistant to a depth of 50 meters / 165 feet. Swiss Made label.