18 size grade 347

Grade 347

Jewels – 17 ruby and sapphire jewels. Composition settings. Olive hole balance jewels. Plates – nickel. A most attractive pattern of damaskeening. Recoiling click. Dust band. Setting – lever. Self-locking setting device. Balance – chamfered and polished compensating balance. Meantime screws. Breguet hair spring. New stationary hair spring stud. “Precision” nut and screw regulator. Escapement – Steel escape wheel. Tested on half time without hair spring. Very closely timed. Dial – single sunk, glass enamel, ground edge dial. Finish – bevel head plate and jewels screws. All visible steel work polished. A well finished movement throughout.

Open face. Lever set. First run – 1908, last run – 1910. Total production 9000.