Photo by Pittigrilli (CC BY-SA 4.0), via Wikimedia Commons · Citizen Promaster NY0040-09EE, same reference line as the catalog ref (NY0040), different factory dial-color suffix.
Promaster Diver
Citizen's long-running automatic-diver branch of Promaster, distinct from the brand's Eco-Drive solar tool watches: an ISO-rated mechanical dive watch built around Citizen's in-house Miyota-based automatic calibers rather than a battery or capacitor.
