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Ask Slashdot: What's The Most Useful 'Nerd Watch' Today?

He's worn the same watch for two decades, but now Slashdot reader students wants a new one. For about 20 years I've used Casio Databank 150 watches. They were handy because they kept track of my schedule and the current time. They were very cheap. They required very little maintenance, since the battery lasts more than a year and the bands last even longer. Since they were waterproof, I don't even have to take them off (or remember where I put them!) They were completely immune to malicious software, surveillance, and advertising. However, their waterproof gaskets have worn out so they no longer work for me. Casio no longer makes them or any comparable product (their website is out of date).
Today's watches include everything from heart rate monitors to TV remote controls, and Casio even plans to release a new version of their Android Wear watch with a low-power GPS chip and mapping software. But what's your best suggestion? "I don't want a watch that duplicates the function of my cell phone or computer," adds the original submission -- so leave your best answers in the comments. What's the most useful nerd watch today?

4 of 232 comments (clear)

  1. Casio F-91W by turkeydance · · Score: 5, Informative
  2. Casio ToughSolar Pathfinder by Anonymous Coward · · Score: 5, Interesting

    Latest model has a built-in digital compass (magnetometer), barometer, thermometer, and altimeter, plus for every locale: tides, moon phases, sunrise/sunset times. It also sets itself to atomic clock radio transmissions once a day. Great fit for the outdoorsy nerd, at any rate...

  3. Re:A watch is a watch by hambone142 · · Score: 5, Insightful

    I use an easy to read analog watch. I don't have to press any buttons to find the time and I can do it quickly.

    I've found that analog watches give me a spatial representation of time. Seeing the minute hand on the 10, for example gives me a gut fell regarding how long it'll be when the hour is reached. I don't get that from digital time pieces.

    Keep it simple.

  4. Casio G-SHOCK GWM5610-1 by supersteve1440 · · Score: 5, Insightful

    Casio G-SHOCK GWM5610-1
    http://www.shopcasio.com/produ...

    Multi-Band Atomic Timekeeping (US, UK, Germany, Japan, China)
    Receives time calibration radio signals which keep the displayed time accurate
    Auto receive function (up to 6 times per day/up to 5 times per day for China)
    Manual receive function
    Signal: US WWVB, UK MSF, Germany DCF77, Japan JJY40/JJY60, China BPC Frequency: US 60kHz, UK 60kHz, Germany 77.5kHz, Japan 40/60kHz, China BPC 68.5kHz
    Tough Solar Power
    Shock Resistant
    200M Water Resistant
    Full Auto EL Backlight with Afterglow
    World Time
    29 times zones (48 cities + UTC), city code display, daylight saving on/off
    4 Daily alarms and 1 Snooze Alarm
    Hourly time signal
    1/100 second stopwatch
    Measuring capacity: 23:59'59.99"
    Measuring mode: Elapsed time, split time, 1st-2nd place times
    Countdown Timer
    Measuring unit: 1 second
    Input range: 1 minute to 24 hours (1-minute incremants and 1-hour increments)
    Full auto-calendar (pre-programmed until the year 2099)
    12/24 hour formats
    Button operation tone on/off
    Accuracy: +/- 15 seconds per month (with no signal calibration)
    Battery power indicator
    Power-saving function
    Storage battery: Solar rechargeable battery
    Approx. battery life: 10 months on full charge (without further exposure to light)
    Module: 3159
    Size of case/total weight
    GWM5610 46.7 x 43.2 x 12.7mm/51.7g