Tissot Seastar 1000 Featuring A Powermatic 80 Swiss Automatic Movement, 40mm 316L Stainless Steel Case, Sapphire Crystal On Front And Case Back, Screw-Down Crown, Unidirectional Bezel With Ceramic Insert, Graded Grey-Black Dial And A Stainless Steel Bracelet With A Folding Clasp With Diver Extension