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Citizen Promaster CB5037-17X Radio Controlled Eco-Drive $429 Delivered @ Starbuy

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I posted another radio controlled Eco-Drive last month, but this time around it's $20 cheaper and (IMHO) a bit more attractive. Tons of features:

  • Sapphire Glass
  • Chronograph
  • Eco-Drive solar powered
  • Radio Controlled
  • Aviator slide rule
  • World time of 24 cities
  • Tachymeter
  • Perpetual calendar
  • 12/24 hour time
  • Day and date
  • Alarm
  • Daylight savings functioning
  • Water resistance up to WR200/20 bar

Thanks to AryaTheExplorer who's comment last time suggested the JJY Simulator iPhone app to help with setting time. A friend of mine used it to reset his Casio radio controlled watch and it worked flawlessly. There is also Radio Wave Sync but I've no idea if it works as well.

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closed Comments

  • Great price

  • What is radio controlled watch?
    Adjusting the time using radio frequency?

    • Adjusting the time using radio frequency?

      Yes, that's exactly what it does. There are special transmitters in the USA, Japan, China, and Germany that are connected to atomic clocks, and they send out a signal that a receiver built into the watch can pick up and use to synchronise itself for super accuracy. The trouble is that all of them are in the northern hemisphere so the signal doesn't reach here in AU very well (if at all). The apps I linked to simulate the same signal using your phone so it's a good option if you're not able to receive the signal.

    • There are some radio towers scattered around the world - Germany, China, USA, Japan - that transmit an atomic clock synchronisation signal. These watches can pick up those signals and set their time accordingly; usually, they automatically check each night so that your watch will always be extremely accurate.

      They are slightly less useful in Australia as our tower was shut down in 1987, so we can't receive a signal unless you live on the east coast north of Sydney where it is possible to receive the signal from Japan with varying degrees of success.

      There are also phone apps you can use that re-transmit the signal wherever you are in the world, which your watch may or may not decide to pick up; it's a bit of a faff but they can work.

  • +6

    If you don't like the colours - it's a bit drab IMO - the green version is only a tenner more at $439 (it has been down to $399 in previous daily deals, but you might be waiting a while to save a small amount):
    https://starbuy.com.au/citizen-promaster-mens-watch-cb5034-9…

    Perhaps you don't care about the world time function or radio time setting? Then there's a cheaper alternative that has many of the other features at $359. I personally find the bezel a bit big - it looks fine in the renders, but in person it was just a fraction to large and overpowered the dial a bit; well I thought so anyway but YMMV of course:
    https://starbuy.com.au/citizen-promaster-mens-watch-bl5570-0…

    The listings don't meantion that the E660 has a power save function, such that fully charged you can get up to three years without exposing it to light. Leave it in the dark in your drawer and after a few days the watch will start shutting down. Bring it back into the light and a couple of seconds later it springs into life and the hands snap back into position.

    The E660 caliber in this watch is the same in what overseas websites often call the Citizen "PCAT" watches (Perpetual Calendar Atomic Time, sometimes Perpetual Chrono depending on the website). The CB5896-03X is a particularly nifty example that I'd like to score one day.

    • +2

      That green one is amazing!

      • The shimmer in the light has a wicked colour!

  • +1

    thats a great looking watch

  • RRP in Japan 45430 yen or $481. So only a little cheaper.

    • plus shipping to Aus, plus GST…

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