Rolex “Red Letter” Submariner Mk4 (Ref 1680) patek philippe A fixed inverted red triangle

A fixed inverted red triangle on the dial points to the chosen reference time – the time at home or at the traveller’s usual workplace – on the off-centre 24-hour disc

Whether you're a seasoned collector or a newcomer to the world of vintage watches

Minute markers around the outer rim

beats at 28'800 vph

Rolex “Red Letter” Submariner Mk4 (Ref 1680) patek philippe A fixed inverted red triangleThis comes as watch only. Serial #: 2,60X,XXX circa 1971 Watch info: Refer to photo gallery for all photos as they accurately reflect the condition. Photo gallery also contains photos of movement and case back as well as timegrapher readout. Watch comes with Rolex inner and outer box and Biel Watches Certificate of Authenticity. Watch case: The case has been polished a couple times in the past. I would recommend not polishing it any more. Last service