Seiko Mens Astron GPS Titanium SSE003 SSE003J1 has the following specifications Seiko Astron Men's GPS Titanium Chronograph Solar Watch SSE003J1 >>>>> BUY NOW <<<<< Display Type : Chronograph Water-restistant (bar) : 100 Diameter (without crown) in mm/inches : 45 / 1,77 Weight in g/ounces : 108 / 3,81 >>>>> BUY NOW <<<<<