Stainless steel case with a silver-tone stainless steel bracelet. Fixed stainless steel bezel. Rotating inner ring. Dark blue dial with luminous silver-tone hands and index hour markers. 24 world time cities. 24 hour markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Date display at the 3 o'clock position. Three multi-function sub-dials displaying: 24 hour, date and day of the week. Eco-Drive 8729 eco-drive movement. Scratch resistant mineral crystal. Pull / push crown. Solid case back. Case size: 44 mm. Case thickness: 8.5 mm. Round case shape. Band width: 23 mm. Band length: 8 inches. Deployment clasp. Water resistant at 100 meters / 330 feet. Functions: date, hour, minute, second. Additional Info: rotating inner ring. Luxury watch style. Watch label: Japan Movt. Item Variations: BU2021 51L, BU2021.51L, BU202151L. Citizen Calendrier Dark Blue Dial Mens Watch BU2021-51L.