TOP ROLEX OYSTER PERPETUAL DATE SECRETS

The Oyster circumstance is proof against 100m (330ft) and features the patented Twinlock screw-down crown. It is simple to screw and unscrew, but when It is locked down you really get a sense of security.Just 5 years later in 1931, Rolex introduced another big innovation – the initial self-winding or “perpetual” motion inside of a wristwatch.