A lady's early 20th century gold 'Duo Plan' wristwatch, by Jaeger-lecoultre, the rectangular dial with Roman black numerals and blued steel hands, signed Jaeger Duo Plan, Cal. 7BF backwind jewelled lever movement, stepped bezel, the case numbered 68665, French assay mark for 18ct gold, c. 1930, case dimensions 22mm x 12mm The Duo Plan was created in 1925 by Jaeger's technical director Henri Rodanet. It was constructed over two levels enabling it to maintain a large size balance keeping the precision together with a small size Please note that the watch straps on this wristwatch will be removed at the time of purchaseMinor abrasions and scratches commensurate with age and use, dial with losses to lacquer near number 7 and at top pf dial above Jaeger name, case with French assay marks for 18-carat gold, movement not running at time of cataloguing, Please note that Roseberys do not guarantee working order or time keeping of any automatic, mechanical, quartz or other timepiece