18K gold, keyless one-minute tourbillon regulator in mahogany gimbaled box. James Pellaton, made in 1941.
James C(asar) Pellaton, Dr. H. C., Le Locle, No. 1944, made specially for Georges Perrenoud in 1941. Very fine and very rare 18K gold, keyless one-minute tourbillon regulator in mahogany gimbaled box. C. Three-body, "bassine et filets", glazed back, polished, set in two-body mahogany box with brass handles, brass enforced corners, lock in front, brass gimbaled ring with locking slot. D. White enamel, Breguet numerals, outer minute track, subsidiary sunk seconds, snap-on fit. Blued steel Breguet hands. M. 44. 8 mm, rhodium-plated, Technicum locle caliber with curved center bridge, "fausses-cotes" decoration with narrow straps, three-arm Pellaton carriage with lateral calibrated lever escapement, cut anibal-steel Guillaume bimetallic compensation balance with special steel alloy balance spring with Phillips outer terminal curve, index regulator with gold scale plate, the pins with micrometric screw adjustment, jeweled to the center, entire escapement with endstones. Signed on dial, movement: "Fabrique specialement pour Georges Perrenoud. James C. Pellaton, Dr. H. C., Le Locle, 1941."