Ref. 6556 "Tru-Beat, Black Dial" Rolex, 'Oyster Perpetual, Tru-Beat, Superlative Chronometer Officially Certified', Ref. 6556. Made in 1961. Very fine and very rare, center-seconds, self-winding, waterresistant, stainless steel gentleman's wristwatch ...
Rolex Tru-Beat
Rolex - Tru Beat - Ref. Rolex - 6556
Rolex Tru-Beat 6556 - YouTube
Rolex - Rolex Ref 6556 Tru-Beat
Rolex TRU-BEAT ref 6556 yellow gold, 1955Movement ... - Bertolami Fine Art