Rolex Calibre 3136 automatic chronometer movement with 31 jewels. Power reserve approx. 48 hours at 28800 vph beating rate. Analog dial featuring black face, Roman numeral hour markers, minute markers on outer bezel, luminous hands and markers for excellent night-time readability. Date display visible at the 3 o'clock position. Scratch resistant sapphire crystal. Screw down central crown with pushers. Solid case back. Round stainless steel case measuring 41 mm in diameter. Fold over clasp equipped with safety release mechanism. Water resistant to 100 meters / 330 feet depth. Functions include hour, minute, second and date. Chronometer certified precision accuracy. Datejust II Series designation indicates this model is part of the original generation Datejust II lineage specifically designed for men. Item also listed as variation 116300-72210.
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