Stainless steel with Black dial with iconic Thin Blue Line passing, day, date and 12/24-hour time. Never needs a battery. Caliber number 8729. This Stainless Steel Ladies Nighthawk Multi function features a 50 meters / 165 feet water resistance. Stainless steel case with a stainless steel bracelet. Fixed stainless steel bezel. Black crystal-set dial with luminous silver-tone hands and Swarovski crystal hour markers. Luminescent hands. Date display at the 3 o'clock position. Three multi-function sub-dials displaying: date, day of the week and 24 hours. Citizen caliber Eco-Drive 8729 eco-drive movement. Scratch resistant mineral crystal. Solid case back. Case size: 36 mm. Case thickness: 11 mm. Band width: 20 mm Fold over clasp with a push button release.