Oris Artelier Complication Two-Tone Moonphase Men’s Watch # 58175924351MB. Silver round guilloche dial with applied gold indices and hands. Band: 18k gold plated and stainless steel bi-metal bracelet with locking clasp. Stainless steel case with see-through crystal skeleton case back. Polished gold plated bezel. Automatic movement. 38hrs power reserve. Display of hours, minutes and seconds from the centre. 2nd Time-Zone at sub dial 6 o' clock. Date at sub dial 9 o’clock. Day at sub dial 3 o' clock. Moon-phase at 12 o' clock. Water resistant to 30m. Approximate case size: 40mm. Approximate case thickness: 10mm. Model Number: 581 7592 43 51 MB 581-7592-43-51-MB.