In a sea of retro-inspired dive watches launched during Baselworld 2017, Citizen stood out as one of the few brands that dared to launch something radically new. The Citizen Promaster Eco-Drive Professional Diver 1000m is the world?s first solar-powered watch capable of saturation diving ? and the Japanese brand?s second 1,000-meter diver. We give it an in-depth review in this feature from WatchTime’s November-December 2017 issue.
The Promaster 1000m is ISO compliant and has been tested with JAMSTEC under operating conditions.
The Promaster Eco-Drive Professional Diver 1000m (Reference BN7020-09E) was one of three major Promaster additions introduced in Basel this year and, thanks to its uncompro-mising look and a 52.5-mm-large and 22.2- mm-thick titanium case, also the one that undoubtedly stood out the most. Perhaps more importantly, it’s one of the few watches that rightfully fall into the category of ?extreme dive watches.? In other words, it?s a contemporary tool watch. Its primary function is to withstand even extremes of pressure and to safely measure elapsed time under water, even for saturation divers, and definitely not to fit under a French cuff dress shirt. The new Promaster 1000m follows in the footsteps of Citizen?s first 1,000-meter diver, the 2002-introduced Promaster 1000m (Reference NH6931-06E and NH6930-09FB) with 48-mm titanium case, unofficially nicknamed the ?Autozilla? (after the fictional Japanese giant monster). But instead of its predec...