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 6556 - Amsterdam Vintage Watches
Rolex Oyster Perpetual "Tru-Beat", Superlative Chronometer Officially Certified, Ref. 6556. Produced in the 1960's.Very fine and rare center-seconds, self-winding, water-resistant, tonneau-shaped, jumping seconds, 18K yellow gold gentleman's wristwatch ...
1956 Rolex Tru-Beat 6556 All Original Cal. 1040 - Lunar Oyster - Buying and Selling