The "Tru-Beat" models are among the most esoteric Rolex watches ever produced. They were manufactured in the late 1950s and early 1960s, and contained automatic movements with seconds hands that jump in full second increments, exactly like those on modern analog quartz movements.
Stainless Steel RARE Rolex Tru-beat wristwatch reference #6556, Serial # 13XXXX dates this watch to 1956. 34mm stainless steel case with original silver dial. Case and back signed 6556. Stainless Steel Oyster riveted bracelet. Rolex Calibre 1040 automatic movement with dead beat seconds. This watch was introduced as a high quality mechanical movement with ticking seconds instead of sweep seconds. A rare find, functioning properly and in original condition! Case Stamped Montres Rolex SA Geneva Switzerland Patented Stainless Steel 6556. Movement marked Montres Rolex Perpetual 26J adjusted 5 positions 1040.
This is a rather rare find as production for these model was limited during the fifties.
