Citizen has added three new models to its Corso line, each built around the brand’s Eco-Drive solar technology and distinguished mainly by dial color. The EW2291-51Z arrives with a purple face, the EW2291-51X in pink, and the EW2291-51L in blue. All three share the same 27-millimeter silver-tone stainless-steel case, matching bracelet, and fold-over clasp with push buttons.
At 27 millimeters the watches sit well below the size of most current smartwatches, which routinely exceed 40 millimeters. The compact footprint targets buyers who prefer a traditional, low-profile timepiece rather than a large digital screen. Mineral crystal covers the dial, which carries a conventional three-hand layout and a small date window. The Eco-Drive movement converts ambient light—both sunlight and indoor illumination—into stored energy, eliminating the need for periodic battery changes. Water resistance is rated to 100 meters, sufficient for daily exposure, showering, surface swimming, and light snorkeling.
The design choices reflect a familiar approach within Citizen’s mid-range catalog. Eco-Drive has been a core technology for the company for decades, offering practical convenience that still appeals to customers who want to avoid the maintenance of conventional quartz or the complexity of mechanical watches. The colorful dials provide the primary point of differentiation; otherwise the three models are essentially identical. Mineral crystal keeps costs down compared with sapphire, though it is more susceptible to scratches over time. At £229 the price places the watches in a competitive segment where solar-powered options from several brands already exist.
In a market still dominated by oversized connected devices, a small stainless-steel dress watch with reliable light-powered movement occupies a quieter niche. It will not attract buyers seeking notifications or fitness tracking, but it offers a straightforward alternative for those who simply want the time, date, and a degree of durability without battery anxiety. Whether the limited color variations and modest specification sheet prove distinctive enough will depend on how the watches wear in everyday use and how they hold up against similar solar models already on the shelves.
