Brushed stainless steel case. Brushed stainless steel bezel ring. Black dial with a fine linear brushed finish. Printed 3/6/9/12 Arabic numeral hour markers. Vintage colored luminous index hour makers. Fine printed minutes/seconds track. Hands with vintage colored luminous fill. Screwed-in solid case back with the Seamaster Seahorse logo oriented & aligned with the watch, thanks to Omega's patented Naiad Lock system. Movement: Omega caliber 8806, beats at 25,200 vph, contains 35 Jewels & has an approximate power reserve of 55 hours. Anti-magnetic: resistant to magnetic fields greater than 15'000 gauss. The movement features Omega's 'Si 14' silicon balance spring, which contributes to the movements outstanding resistance to shock and to environmental disturbances and thus to the watch’s chronometric performance. The movement also features Omegas Co-Axial Escapement which contributes to greater precision, stability & durability. The Co-Axial escapement has less friction & reduces the necessity of lubrication thus reducing the time intervals required between servicing AKA: 22010402001001