18kt rose gold case with a brown leather bracelet. White dial with single center hand. Minute markers around the outer rim. Separate hours sub-dial at the 12 o’clock position. Small seconds subdial at the 6 o’clock position. 46 hour power reserve when fully wound. Glucydur beryllium alloy balance with precision-adjustment cams on the balance arms. Breguet spring. Three-quarter wheel train bridge. Mainspring with bridle. Skeletal case back. Scratch resistant sapphire crystal. Case diameter 43.1mm. Case thickness 11.8mm. Hand-wound mechanical movement. Water resistant at 30 meters (100 feet). IWC Portuguese Regulateur Men’s Watch IW544402