“Jumbo”
Produced 1950–1956. Omega reference 2506, a vintage Jumbo / oversize manual-wind reference. The CSV structured ref is 2506 with oversize 38.5 mm wording; external examples corroborate 2506 / 2506-5 / 2506-10 Jumbo watches with Cal. 283 and…
Open in The Dial Atlas
Specifications, configurations, image gallery, market listings, lineage and notable appearances are part of the full reference.