Another Timelessly Elegant Longines "Jamboree", Manual Wind, Stainless Steel Case With Screw Back Signed "Longines - Jamboree - Stainless Steel - Waterproof", Cool White Jamboree Dial (Hands and Dial show slight signs of age, hardly visible in use, see pictures), Diameter ca. 35mm, Clean Movement Cal. 280 with Gold Jewel Settings, 17 Jewels, ca. 1960.