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Built like a brick shithouse, the solar-powered G-Shock Riseman Watch measures altitude, temperature, and barometric pressure, all without ever changing the battery. Oh, and it tells time, too. The shock-resistant casing means you’ll break before your watch does.

  • Altimeter keeps track of how high you just got
  • Barometer helps predict incoming storms
  • Thermometer accurately tracks temperature and shines your shoes—just kidding, it only tracks temperature
  • Solar-charged battery lasts nine months without further light exposure and even charges under indoor light
  • Six-country atomic time auto-calibrates in US, UK, Germany, Japan, and China
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Is there a way to increase the volume for...

Is there a way to increase the volume for the alarm ?