Produced 1960–1970. Omega Seamaster Cosmic reference 135.017 (case-stamped 135.017SP) is a 35 mm manual-wind Calibre 601 model from the late 1960s, documented in stainless-steel and gold-plated configurations with period dial variations.
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Specifications, configurations, image gallery, market listings, lineage and notable appearances are part of the full reference.