Christian Dior Riva automatic Swiss watch, reference number D85-100. 42-hour power reserve, date display between 4 and 5 o'clock. Brand: Christian Dior, Model: D85-100 / Riva, Type: Automatic, Case: Stainless steel, Shape: Rectangular, Dial: White dial with Arabic numerals (luminous hands and markers), Crystal: Domed sapphire crystal, Strap: Stainless steel, Size: Men's (34 x 36 mm), Water resistance: 100 meters / 3 ATM.