Pre-owned Omega Speedmaster Men's Chronograph Automatic Chronometer Watch 311.63.44.51.99.001 Grey Ceramic Case, Alligator Strap

Omega Calibre 9300 automatic mechanical movement with central sweep second hand and chronograph function; Analog dial type featuring a grey meteorite face accented by luminous-coated indexes on the outer rim and minute markers; Sedna gold baton hands with hour, minute, and date sub-dials at approximately the 3 o'clock, 6 o'clock (date), and 9 o'clock positions respectively displaying hours, minutes, seconds, and elapsed time in 12-hour format along with a tachymeter scale on the fixed swdna gold bezel; Sapphire crystal domed transparent scratch-resistant surface protecting the grey ceramic case which has a thickness of approximately 16.5 mm; Luminous coating enhancing legibility under low light conditions via visible and possibly invisible light sources not specified in detail here, however mentioned as present; Date display located at the 6 o'clock position; Fixed bezel band crafted from 18kt swdna gold with a top ring composed of silicon grey nitride material serving as tachymeter scale; Case diameter measures approximately 44.25 mm and is round in shape, finished in grey ceramic; The watch includes two sub-dials displaying elapsed minutes via the chronograph function (60-second timer) and hours for the chronometer complication respectively; Secured by a titanium fold over clasp closure mechanism designed to be robust yet comfortable; Pre-owned item with original Omega box and papers still attached as indicated, not explicitly confirmed here but part of standard pre-owned listing context; Water resistance rated at 50 meters / approximately 165 feet depth suitable for shallow water activities like splashing or surface swimming but not diving.