If you are a Rolex aficionado, then you should take a serious look the Oyster Chronograph Ref. 6234. Considered the grandfather of the Rolex Daytona, it was produced from 1955 to 1961. Only about 2300 pieces of the stainless steel version were manufactured. Rolex's patented oyster case, which is waterproof up to 200 meters, is used in the Daytona and the 6234. A silver dial with three subdials. 30 minute counter at 3 o'clock, 12 hour counter at 6 o'clock and a seconds counter at 9 o'clock, along with a tachometer scale and a telemeter scale. It also features an anti-magnetic case that helps to maintain precision and accuracy. A prized vintage watch that belongs in the collection of any Rolex fan.