Fortis Men's 623.10.38 SI.01 Spacematic Classic Stainless Steel Watch Round watch featuring logoed dial with stick/Arabic numeral indices and day/date windows 40 mm stainless steel case with anti-reflective sapphire dial window Automatic self-wind movement with analog display Black silicone band and deployant clasp with push-button closure Water resistant to 100 m (330 ft): In general, suitable for swimming and snorkeling, but not scuba diving