Case material: Steel; Charge: Automatic; Conditions: New Year : 2011; Presentation condition : With dealer guarantee ; Model: nautilus 5980 Price on request Gmtbroker Reference: 5726A001 Elegant & Sport - Very rare model - Discontinued - Stainless steel case - PP Aligator strap - Annual Calendar - Moon phase - Full set with original reference and serial marching number - 1 year warranty - Collector's model -