Case material: Steel; Charge: Automatic; Conditions: New Year : 2007; Presentation condition : With dealer guarantee ; Price on request Gmtbroker Reference: nessuna Sea Dweller 16600 with papers - Z series - Full steel, black dial, unidirectional black bezel, helium valve, date, sapphire glas, screw-in crown, minute division, 3 central hands, Oyster bracelet, automatic certified chronometer movement (COSC), 3135 caliber. With original papers.