Thomas Sabo ceramic and stainless-steel watch100% stainless steel; 100% ceramicStyle number: WA0139-222-203Butterfly clasp fasteningRound coloured dial, functions 24-hour display, date display, hour, minute, small-second, chronograph 60-minute display, stop-second, rotating bezel, date window display, sapphire-crystal glassBracelet width: 20mmCase diameter: 43mmWater resistance: 5 bar / 5 atm / 50m / 165ftPlease refer to the brand's care instructions