Rolex brand Model (Watch) Day-Date 36 Reference number 18238 Automatic winding Case Material Yellow gold Strap material Yellow gold Year of manufacture 1989 Condition Excellent (second-hand, no or barely visible signs of wear and tear) Kit original documents, no box Automatic loading Case Material Yellow gold Diameter 36 mm Waterproof 10 ATM Bezel material Yellow gold Glass Sapphire crystal Strap Strap material Yellow gold Strap colour Gold Clasp material Yellow gold - AUCTION COMMISSION 25%.