Case material: Steel; Charge: Automatic; Conditions: New Presentation condition : With dealer guarantee ; Model: Seamaster Price on request Gmtbroker Reference: 231.10.39.21.54.001 Omega 231.10.39.21.54.001 Complete Details: Stainless steel fine brushed finished case with high polished finished bezel & beveled edges. White dial with linear design Applied silver index hour markers 11 Diamond hour markers Date window located at the 3 o'clock position. Features the in-house manufactured 8500 caliber. The caliber 8500 beats at 28,800, contains 39 jewels & has an impressive power reserve of approximately 60 hours - courtesy of the 2 barrels. The rotor win & bridge are finished with a unique "arabesque" Cotes de Geneva finish. Last but not least the 8500 integrates the now standard Co-Axial Escapement which contributes to greater precision, stability and durability & reduces the necessity of lubrication thus reducing the time required between servicing. This watch is also known as 23110392154001