Audemars Piguet Royal Oak OffShore Women Quartz Watch 37mm White is made of 904 stainless steel and is inlaid with 32 diamonds of 2.05mm in size (about 1.02 carats), showing a dazzling luster, which is the attitude of a jewelry watch. The strap is made of white liquid silicone, an EU-certified environmentally friendly material.