Rolex: A steel Oyster chronograph antimagnetic wristwatch in circular case, the silvered dial with outer tachymetric and telemetric scales, raised dagger numerals, subsidiary dials for running seconds, and elapsed minutes and hours, sweep centre seconds operated by two round buttons in the band, case with screw-down winder and screwed back, numbered between the lugs 6238 866534, with spare Rolex steel bracelet, black dial and hands