Momentum Men's 1M-SP20Y2B Logic TI Yellow Dial Black Perforated Leather Watch Precise Swiss-quartz movement Patented super luminous material ensures superb legibility in any light; space age titanium case construction Momentum's Long Life System offers an unprecedented 10 year battery life Italian black leather strap with matching titanium buckle closure Water resistant to 660 feet (200 M): suitable for recreational scuba diving