Bulgari Octo Finissimo Mens Watch (102711). Ultra thin mechanical watch - JUST 2.35mm THIN! Bulgari BVL 138 automatic movement with 55 hours power reserve. Luminescent hands. Titanium dial. Fixed bezel set on a 40mm titanium case. Sapphire crystal on top and a solid case-back. Water resistant to 30M. Black alligator leather strap with a tang style buckle.