The Bertha Abby includes the following features - 316l surgical-quality stainless steel case, precision swiss quartz movement, sapphire-coated mineral crystal, logo-engraved stainless steel case back, jewel-tipped crown, 316l surgical-quality stainless steel bracelet, logo-engraved stainless steel butterfly deployment clasp, 33mm case diameter, 5 ATM water resistance ,