MATERIAL :Multi-piece bronze case setting with 50 black dimaonds AAA-Grade (1.5ct) inlay ring. SIZE :36.00 mm TOP GLASS :Sapphire, domed on both sides, anti-reflective coating inside CASE BACK :Stainless steel, special engravings, screwed OPERATING DEVICES :Bronze screw-in security crown WATER RESISTANCE :10 bar INTERHORN WIDTH :17 mm MATERIAL : Leather strap WARRANTY :2 Years