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 ...
The Rolex Tru-Beat Was an Objective Failure and Ahead of Its Time
Rolex - Tru Beat - Ref. Rolex - 6556
THE GOLDEN AGE OF SWISS FINE WATCHES: ROLEX 6556 TRU-BEAT - Montres Publiques - The vintage watch magazine
ROLEX Oyster Perpetual Ref. 6556 - World of Time - New and pre-owned exclusive watches with best conditions. Call us or visit our local shop to get personal consulting.
Rolex Tru-Beat 6556 - Amsterdam Vintage Watches
A Rolex that 'ticks'? If it has 'Tru-Beat' on the dial, it could be seriously valuable | British GQ
THE GOLDEN AGE OF SWISS FINE WATCHES: ROLEX 6556 TRU-BEAT - Montres Publiques - The vintage watch magazine
Rolex Tru Beat Ref 6556 Yellow Gold, 1955
Rolex Tru Beat reference 6556 Oyster Perpetual 34mm steel watch