A pre-owned women's Rolex Datejust model from the Datejust 31 Series featuring a sophisticated silver-tone dial, automatic movement driven by the Calibre 2235 mechanical self-winding mechanism, chronometer accuracy, luminous properties for night readability, date display at 3 o'clock, scratch-resistant sapphire crystal, fixed stainless steel bezel insert with minute markers, screw-down crown, solid case back, round 31mm case size, fold-over clasp with safety release, and water resistance up to 100 meters. Item: Calibre 2235 Automatic Movement; 31 Jewels; Frequency: 28800 vph; Approximate Power Reserve: 48 hours.