This 1956 Rolex Oyster Meritus 34mm., (43.2mm. lug to lug) all original, with gold plated case, reference 6594 and is VERY clean. The original Rolex, automatic, butterfly style, caliber 1030 (adjusted to five positions) movement is keeping accurate time after a recent cleaning. The original 6594 reference case back is stainless steel. The original ROLEX OYSTER winding crown screws down like silk. Notice the original Dauphine hands and correct blued steel sweep seconds. The dial is (importantly) absolutely original; with curved print. The ROLEX OYSTER MERITUS is a variety made ONLY for the Canadian market and is EXTREMELY rare.