By TLex: The Ocean Blue is a Limited Edition of 50 Pieces . Its 45mm X 15.4mm case is made from 18kt white gold. It has a sapphire crystal display back, but is still water-resistant to 300m. The movement remains as all other 2007 / 2008 Fifty Fathoms (Automatic Blancpain cal. 1315 / 35 jewels / 120 hours power reserve. It come on a canvas sailing strap with an 18kt white gold buckle. By the way did you notice the 'Dive Mask' rotor? Nice little touch !