Citizen Eco-Drive Satellite Wave F900 debuted at Baselworld 2015. This is a rather special watch than other Citizen GPS watches. This watch would be part of a limited edition with 3,000 pieces made in titanium and 3,000 pieces in DLC black titanium.

Eco-Drive as a distintive watch of Citizen,it launched  for over a decade now, and it is interesting how successful the technology is in both very inexpensive and more high-end quartz watches such as the Satellite Wave F900. Most obviously, the F900 has more functionality over the Satellite Wave F100. The watch now offers a function selector subdial at 3 o’clock, and added features include a chronograph, alarm, and the ability to view two time zones at once on the dial. This last element is extremely important because you not only get a dedicated subdial at 6 o’clock for the second time zone, but it is very legible. The Satellite Wave F900 case is more-or-less the same as the F100, and it’s still fantastic. Produced from Citizen’s Super Titanium, the F900 will be available in both a DLC-coated black titanium case and in natural titanium. Citizen shared with us what Super Titanium is, and it appears to be a specially coated version of titanium that is very scratch resistant. A demonstration with a wire brush proved that.The coating is a version of Citizen’s Duratect process which I’ve enjoyed on some of their high-end steel watches for years.Detailing on the 45mm-wide modern-style case is really good. A close inspection of the details reveals a surprising level of finish and polishing. The watch is still considered thin at 13.1mm thick, which is just a bit more than the thinner F10 which is 12.5mm thick. On the wrist with the matching bracelet, and the F900 has a very sharp, modern, yet, classy look to it that I think many people will enjoy. The Citizen Eco-Drive Satellite Wave F900 GPS is now able to update the location of the wearer using global positioning satellite signals, which means that it is truly a GPS watch.Citizen says that the Satellite Wave F900 can pick up a GPS signal in as little as three seconds. So, putting all this into context, we have a timepiece that doesn’t need to be charged, updates your time and location automatically, and offers a range of useful travel features. It also looks pretty cool and has a durable case. For me, this makes the F900 not only a competitive timepiece but one that is still very relevant today. No smartwatch is nearly as “independent” as the F900.

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