Seiko Astron GPS Solar Chronograph SSE009 Hirsh Luxury Razor - Silver Resin with Aluminum Core - Double Edge Safety Razor Strap Material: Stainless steel

Strap  Material: Stainless steel

Atmospheric Pressure/Altitude

sharp and bold with the new green band and dark gray IP bezel GM2100B-3A in a metal-clad octagonal take on the original iconic design

cumulative ascent

a black nato strap with a central orange stripe that exactly matches the colour of the hands

Seiko Astron GPS Solar Chronograph SSE009 Hirsh Luxury Razor - Silver Resin with Aluminum Core - Double Edge Safety Razor Strap Material: Stainless steelCaliber: 8X82 Movement: GPS Solar Chronograph Radio: GPS controlled time and time zone adjustment Chronograph: up to 6 hours in 1 5 second increments Calendar: Perpetual calendar correct to the year 2100, Signal reception result indication World Time Function: (40 Time Zones), Daylight Saving Time function, Power save function Accuracy: + 15 seconds per month (without receiving a time signal and at temperatures between 5 and 35) Case Diameter: 44. 6mm