Case material: Steel; Charge: Automatic; Conditions: New Presentation condition : With dealer guarantee ; Model: Speedmaster Price on request Gmtbroker Reference: 331.12.42.51.01.001 Omega 331.12.42.51.01.001 Complete Details: A tribute to the original Omega Speedmaster watch from 1957, with clean-cut designs, straight lugs presented on a a brown leather strap: Brushed/Satin finished stainless steel case with polished finished beveled edges. Brushed finished bezel with engraved and black-filled tachymeter scale. Dial: Flat black main dial with recessed black sub-dials. Applied silver-tone index hour markers with luminescent fill. Printed white minute/seconds and fractions of a seconds track. Polished silver-tone hands, with the hour and minute hands containing luminescent fill. Chronograph Stopwatch functions: Large central seconds hand counter. Minute and hour counters are combined into a single sub-dial located at the 3 o'clock position.Both hands are filled with luminescence. Small continuous running seconds hand sub-dial located at the 9 o'clock position. Date window displayed at the 6 o'clock position. Slightly domed sapphire crystal. Movement: Omega caliber 9300, beats at 28,800 vph, contains 54 Jewels & has an approximate power reserve of 60 hours - thanks to its twin barrels mounted in series. Column-Wheel Chronograph - column wheel is visible from the transparent case back. The movement features Omega's "Si 14" silicon balance spring, which contributes to the movements outstanding resistance to shock and to environment