Jewels – 17 jewels. Composition settings. Olive hole balance jewels. Plates – genuine nickel. Nicely damaskeened. polished and damaskeened visible winding wheels. Recoiling click. Dust band. Balance – polished compensating balance. Meantime screws. Breguet hair spring. Self-locating hair spring stud. Micrometer nut and screw anti-backslash 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, jewel and case screws. Round arm center wheel.
Open Face. Pedant set. First run – 1909, last run – 1929. Total production 56000.