18kt yellow gold case with a brown leather bracelet. Black dial with luminous hands and luminous stick hour markers. Luminiscent hands and dial markers. Date display at the 3 o'clock position. 31 jewels automatic movement. Scratch resistant sapphire crystal. Case diameter: 36 mm. Fold-through buckle deployment clasp. Water resistant at 100 meters/ 330 feet. AdditionalInfo: date displays at 3 o'clock position. Datejust Black Index Dial Fluted Bezel 18k Yellow Gold Leather Strap Mens Watch 116138BKSL.