Silver-tone stainless steel case with two-tone (silver-tone and yellow gold-tone) 18kt yellow gold oyster bracelet. Fixed yellow gold-tone bezel, grey dial featuring Roman numeral hour markers and yellow gold-tone hands, both luminous coated. Minute markers on the outer rim. Analog display type. Screw down crown, solid case back. Round case size: 41 mm. Fold over clasp with safety release. Water resistant to 100 meters / 330 feet. Functions include displaying date at the 3 o'clock position along with hours, minutes, and seconds. Chronometer certified movement (automatic) by Rolex Calibre 3136, based on Calibre 3135, equipped with 31 jewels beating at 28800 vph. Power reserve: approximately 48 hours. Scratch-resistant sapphire crystal lens. Item Variations include part number 72603.