Case material: Steel; Charge: Automatic; Conditions: New Presentation condition : With dealer guarantee ; Model: Speedmaster Professional Price on request Gmtbroker Reference: 311.30.44.51.01.002 Omega 311.30.44.51.01.002 Complete Details: Brushed/Satin finished stainless steel case with polished finished beveled edges. Brushed finished stainless steel bracelet with polished finished edges. Black bezel with Tachymeter Scale. Matte black dial. Applied white index hour markers with luminescent fill. Printed whit minute/seconds & fractions of a second track. White hands with luminescent fill. Chronograph Stopwatch functions: Large central seconds hand counter with luminous tip. Minute & hour counters are combined into a single sub-dial located at the 3 o'clock position. 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 environmental disturbances and thus, to the watch’s chronometric performance. The movement also features the now-standard Co-Axial Escapement which contributes to greater precision, stability & durability. The Co-Axial esc