Ca. 64g, 18K pink gold, extremely rare case design, case number 62814, punched with the V &C punch on the clasp, extremely domed glass, adapted to the shape of the case, Le Coultre Duoplan movement calibre 24, signed, movement number 111710, signed original dial, marked 'Duoplan', blued steel hands, intact and in very rare original condition with original box. The solid version is extremely rare! Mostly these 'Duoplan' watches were very filigree, versions in gold or platinum, with textile or leather strap. This example is shown on an advertising brochure from 1940.