An authentic, brand new Rolex Datejust 31mm women's watch with model number M278240-0012. Features a mint green dial with polished silver hands and stick hour markers including date display. Powered by an automatic chronometer movement (Rolex Calibre 2236 engine) providing 55 hours of power reserve. Includes screw-in crown, scratch resistant sapphire crystal, fixed-domed bezel, polished stainless steel case shaped for women and equipped with a stainless steel Jubilee bracelet featuring a crownclasp closure.