Citizen launched its line of Promaster line of professional-grade sports watches, targeted at adventurers and explorers, 30 years ago. To commemorate the three-decade anniversary, the Japanese power brand unveiled at Baselworld 2019 a trio of limited-edition Promaster models, one each for land, sea, and air, that boast not only Citizen’s proprietary Eco-Drive movements but other technological and design innovations as well. Here is the lowdown on each model in the Citizen 30th Anniversary Promaster series.
Built for the “Air,” specifically for the pilots who make it their home, is the Eco-Drive Satellite Wave GPS Promaster 30th Anniversary, limited to 1,989 pieces (1989 being the year that Citizen debuted the first Promaster models). The watch’s 47-mm case is made of Citizen’s “Super Titanium,” enhanced with a special surface-hardening treatment combining Duratect MRK and Duratect DLC for enhanced scratch-resistance. Its bezel sports an aviation-style scale using traditional pilots’ ground-air visual signal codes. The multi-level cockpit-inspired dial, with large hands and indices placed between a base dial and a clear crystal layer above, has orange accents and luminescent treatment. The Eco-Drive movement, powered by light and receiving time signals from GPS satellites, drives a 1/4-second chronograph timing up to 24 hours and displays the time in two different zones simultaneously; wearers can also switch from home time to ...