Fendi Round Crazy Carats Diamond and Topaz Stainless Steel Watch, 33mm Warranty Information. Diamond: 1.6 ct. T.w./topaz/stainless steel. Imported. Case size: 33mm. Water resistant to 3 ATM. Turn the crown at 4:00 to change the topaz stone markers on the Crazy Carats face. Deployment closure. All gemstone carat weights (ct. T.w.) are approximate; variance may be .05 carat. Almost all gemstones and black diamonds have been treated to enhance their beauty and require special care. Photo may have been enlarged and/or enhanced. 2 Year limited warranty.