Richard Mille Divers Titanium RM028 Skeleton Dial Automatic Unidirectional Bezel RM-028AJTI NLVYWF Titanium case with a black rubber strap. Unidirectional bezel. Skeleton dial with luminous hands and Arabic and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Manual wind movement. Scratch resistant sapphire crystal. Case diameter: 47 mm. Case thickness: 14.6 mm. Round case shape. Deployment clasp. Water resistant at 300 meters / 1000 feet. Functions: hour, minute, second, 55 hour power reserve.