Polished stainless steel case. Polished 18k yellow gold twinlock crown. Polished 18k yellow gold fluted bezel. White mother of pearl dial set with 10 diamond hour markers with the Rolex crown logo at the 12 o'clock position. Polished yellow gold hands. Date window displayed at the 3 o'clock position with a cyclops magnifying lens. Rolex in-house caliber 3235, beats at 28,800 vph, contains 31 jewels and has an approximate power reserve of 70 hours. The movement features a paramagnetic blue parachrom hairspring, chronergy escapement and high-performance paraflex shock absorbers. The watch is superlative chronometer certified. The movement is COSC certified prior to casing, then it is tested a second time by Rolex after being cased to ensure accuracy.