Medium 18K Yellow Gold Diamond Corum "1894" Ten Dollar U.S. Coin Dresswatch. 18K Yellow Gold 1894 United States $10 Coin Dial and Caseback. 18K Yellow Gold Diamond Case with Coin Edging on Case and Lugs. Faceted Diamond on Setting Crown and Sapphire Crystal. High Quality Black Corum Crocodile Strap attached to Corum 18K Gold Buckle. Coin Year: 1894