Rado Centrix Collection Swiss Automatic Watch With A Silver Coloured Stainless Steel & Black Ceramic Two Tone Strap, 38mm Case, Black Coloured Dial & Date Window. CENTRIX AUTOMATIC The Rado Centrix Automatic proves its versatility in a range of different sizes and colour combinations, guaranteeing that there is a model to suit all tastes. With Rado’s signature sapphire crystal adding scratch-resistant shine, these watches are designed to look good for life. Size: 38.0 mm Total weight: 123 gram Thickness: 10.1 mm Water resistance: Water-resistant 3 bar (30 m) Case back: Transparent sapphire case bacK