Case material: White gold; Charge: Automatic; Conditions: New Presentation condition : With dealer guarantee ; Model: Da Vinci Price on request Gmtbroker Reference: IW452301 IWC IW452301 Complete Details: Newly Redesigned 2007 Release of the Da Vinci Models! This watch features: Ardoise/Grey dial with a center Guilloche texture. Polished White Gold hands & applied index hour markers. Large Double Window Date displayed at the 3 o'clock position. IWC calibre 30130 which contains 22 jewels & beats at 28,800 vph & has an approximate power reserve of 42 hours. This watch is also known as IW4523-01, 452301, 4523-01