Case material: Steel; Charge: Automatic; Conditions: New Presentation condition : With dealer guarantee ; Model: Seamaster Price on request Gmtbroker Reference: 231.13.34.20.01.001 Omega 231.13.34.20.01.001 Complete Details: Stainless steel brushed finished case with high polished finished bezel & beveled edges. Black dial with a linear textured design. Applied silver-tone index hour markers & hands - both with luminescent fill. Date window located at the 3 o'clock position. Features Omega caliber 8520 movement: Self winding movement with a Co-Axial Escapement which contributes to greater precision, stability and durability & reduces the necessity of lubrication, thus reducing the time required between servicing. The rotor win & bridge are finished with a unique "arabesque" Cotes de Geneva finish. Power Reserve: 50 hours This watch is also known as 23113342001001