Silver-tone stainless steel case with a silver-tone stainless steel oyster bracelet. Engine-turned bezel. Blue dial with silver-tone hands and Roman numeral hour markers. Minute markers around the outer rim. Dial Type: Analog. Rolex Calibre 2230 Automatic movement, containing 31 Jewels, bitting at 28800 vph, and has a power reserve of approximately 42 hours. Screw down crown. Solid case back. Round case shape, case size: 31 mm. Fold over clasp with a safety release. Functions: hour, minute, second, chronometer. Oyster Perpetual 31 Series. Luxury watch style. Watch label: Swiss Made. Pre-owned Rolex Oyster Perpetual 31 Automatic Chronometer Blue Dial Ladies Watch 177210 BLRO.