Casio says it takes approximately 20-30 minutes *after you take the watch off and set it down* for the case temperature to stabilize (and allow you to actually measure the temperature). Really we are talking around 45 minutes or more! Here are two sets of readings I took while attending a meeting. I took off the watch and set it on the table. This was a fair size classroom at UCLA Extension, no drafts, seemingly stable temperature. The temperatures were taken roughly every 5 minutes. Set 1: (25.1, 24.7, 24.4, 24.2, 24.1, 23.8, 23.7, 23.6, 23.5, 23.4, 23.4, 23.3, 23.4, 23.5). Set 2: (28.1, 27.9, 26.6, 25.7, 25.1, 24.6, 24.3, 24.1, 24.0, 23.9, 23.8, 23.7, 23.7). I took two more sets, but why engage in overkill repeating them here. This makes the temperature sensor virtually worthless IMHO.
The altimeter readings are horribly inconsistent. Driving west over the LA River on the 10: 65m; Driving back east: 50m. On the 10 where it crosses the 405 west: 5m. Going back east: 30m. I've measured a number of other locations and although there is some rough agreement (10 or 20m), there is really no reliable consistency. Altitude is at best a toy in this watch.
Those were the two features that interested me, and both are ultimately worthless. However, this watch is easier to read than my last G-Shock. The stopwatch is still there. It's still built like a tank, and it's a fair watch to wear on a day to day basis and bang around in.Get more detail about Casio Men's Pathfinder Triple Sensor Altimeter/Barometer/Digital Compass Watch #PAG40-3V.
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