The Citizen Promaster Diver (EO2021-05L) is a robust and highly capable women’s diving watch designed with a compact 36.5 mm case, making it an ideal choice for smaller wrists. Crafted from durable stainless steel, the case features a professional diver aesthetic with a unidirectional rotating bezel for tracking elapsed time. The rich blue dial is built for high legibility, equipped with large, luminous hands and hour markers that ensure excellent visibility in low-light conditions or deep underwater environments.
Powered by Citizen’s proven Eco-Drive technology (Caliber E168), this ladies’ timepiece draws power from any light source, eliminating the need for battery replacements and providing a reliable power reserve of approximately 180 days when fully charged. As an ISO 6425 certified diver’s watch, the EO2021-05L boasts a serious water resistance rating of 200 meters (20 bar), supported by a secure screw-down crown and a solid screw-down case back. The watch is paired with a flexible and durable blue polyurethane strap with a traditional pin buckle, completing its purpose-driven design as a versatile tool watch for aquatic adventures.
Basic Information
Reference: EO2021-05L
Collection: Promaster Marine Diver (Ladies)
Case Dimensions: 36.5 mm
Case Thickness: 11.6 mm
Case Material: Stainless steel
Water Resistance: 20 bar / 200 meters / ISO 6425 certified
Movement Type: Eco-Drive (Caliber E168)
Movement & Features
Functions: Hours, minutes, seconds, date
Special Features: ISO 6425 certified diver’s watch, Eco-Drive technology (180-day power reserve), unidirectional rotating bezel, screw-down crown, luminous hands and indices, low charge indicator
Exterior
Crystal: Mineral glass
Dial Colour: Blue
Band Material: Polyurethane (Rubber)
Band Colour: Blue
Clasp Type: Pin buckle












