The New Boccia id. Collection. Water Resistant to 330 feet Titanium round watch with a yellow dial, titanium case, black markers and black and white hands, with date, black rubber strap, hard mineral crystal, Japanese Quartz movement. Luminous Hands! 45mm case Thickness: 10mm Strap: 22mm Boccia Watches are all solid titanium, not titanium Plated. Titanium is non-allergenic and very friendly to the skin. When Boccia Watches come with a strap, the buckle is also solid titanium.