Case material: Rose gold; Charge: Automatic; Conditions: New Presentation condition : With dealer guarantee ; Model: El Primero Price on request Gmtbroker Reference: 96.0528.4021/21.R642 Black Dial- Chronograph Feature- Window on Dial to View Balance Wheel - Self Winding Automatic Chronometer Movement- Zenith Calibre 4021 SX Movement- Power Reserve Indicator - Solid Rose Gold with Black Titanium Case - Black Rubber Strap - 1000 Meters / 3300 Feet Water Resistant- 46.5mm = 1 7/8" Case, 7" Adjustable Strap - Rose Gold Tang Buckle- Screw Down Crown & Caseback. Also known as: Zenith 96.0528.4021/21.R642, Zenith 96.0528.402121.R642, Zenith 96.0528.4021/21R642, Zenith 960528402121R642