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World’s first GPS solar watch

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At last, the search for totally precise time, everywhere on the planet, is over. By developing its own, patented, low-energy-consumption GPS receiver, Seiko has been able to create a watch that can receive GPS signals and identify time zone, time and date data using the global network of GPS satellites. It recognizes all 39 time zones on earth.

This breakthrough timepiece is called Seiko Astron. Like its celebrated 1969 predecessor which was the world's first quartz watch, the new Seiko Astron ushers in a new age of timekeeping technology.

Once a day, Seiko Astron receives the time signal automatically and, on demand, connects to four or more of the GPS satellites that orbit the earth, thus pinpointing its position and identifying the time zone and the exact time. The hands adjust automatically to the correct local time with Atomic Clock precision. The new Seiko Astron is solar powered, so never needs a battery change, and it also has a perpetual calendar, so the date will always be as accurate as the time.

In commemoration of the launch, a unique piece has been created and is offered in a limited edition of 2,500, with a high-intensity titanium case and ceramic bezel. The recessed sides of the case ensure that it is as light as it is robust. The case's high intensity titanium is as strong as steel but has only 60% of its weight. It is accompanied by an additional extra-strength silicon strap that is four times stronger than any previous strap of this material.

There are three other models in high-intensity titanium and two in stainless steel. All have the same functions and high specifications, including a dual time sub-dial, in-flight mode indicator and sapphire crystal with Super-Clear Coating.

In addition to the traditional date and dual time displays, the status of the GPS signal is indicated by the second hand and indicator at 10 o'clock position when the appropriate button is pressed. At a glance, you see whether a GPS signal has been received, and from how many satellites and whether Daylight Saving Time is activated.

When you step off a plane, just press the button and the time zone adjustment is automatic. It takes just six seconds for the time to self-correct (to one second every million years) and just 30 seconds for the location, and the adjustment takes place whether you are stationary or on the move. The adjustment to or from Daylight Saving Time or Summer Time is also a one-touch operation, and the date is also always exact; Seiko Astron's perpetual calendar is correct until February, 2100. The watch takes power from all kinds of light and never needs a battery change.

Seiko says it will go on sale in September. Price: From 152,000 to 210,000 yen.

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10 Comments
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Seiko says it will go on sale in September. Price: From 152,000 to 210,000 yen.

Time is Money, not so expensive :)

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GPS time is 15 seconds ahead of UTC/ZULU, wonder if the watch compensates for this offset?

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My Citizen ProMaster EcoDrive is very similar, minus the GPS tracking(NO THANK YOU), and is radio-controlled and UV powered even indoors. Very nice, but for GPS tracking.

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Brilliant. But I still like my Rollex GMT. It would be way cool if Seiko offers a 24 hour face version.

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What happens when the time zone information changes? Can it be updated?

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It is a good present to show the love you feel for a boyfriend, father, husband!

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One more item for the gadget crazies to droll over. Start the saving by skipping lunch next week.

-1 ( +0 / -1 )

This watch does what I expected my TomTom GPS device would do (but doesn't). If a GPS receiver a.) knows the current time in UTC, and b.) knows your current position to within 10 meters, then c.) it should be able to tell whether DST is used at your location and therefore the current local time at your location. My TomTom XL550 does not do that. I had to initially set the clock manually and everytime we change from EST to EDT and vice versa, I have to manually change it again.

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GPS time is 15 seconds ahead of UTC/ZULU, wonder if the watch compensates for this offset?

The atomic clocks on the satellites are precisely set prior to launch, but they don't get the "leap second" adjustments the earth-bound atomic clocks get to compensate for the earth's slowing rotation. The satellite sends a data frame containing a correction factor as part of their their data streams. This allows receivers to make the correction and bring themselves into synch with the earth-bound atomic clocks. I would be extremely surprised if Seiko went to all the trouble of allowing the watch to be set by the GPS signal, but not use the correction factor packet in the data stream.

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My G-Shock Casio powered by solar energy looks way cooler than this Seiko watch, and costs only 30.000 yen, a real beater watch, tried hard to destroy it just so that I'm "justified" for buying a brand new one, but it doesn't wanna give up. My father's Seiko breaks down so easily, he replaced 2 of them while I'm still on my Casio beater...

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