Concord ‘Delirium’ Mariner 18K yellow gold rectangular men’s tank style wristwatch. An ultra thin case (only 3mm!) with 0.98mm thin quartz movement (Cal. ETA 210.001), Ref. 50.20.617, made in 1980s.
35 x 25 x 3mm case dimensions, gold dial, applied gilt Roman numerals, gilt pencil hands, polished rectangular case, case back affixed by 10 screws, quartz movement, brown leather strap, original signed Concord buckle.