18 size grade 323

Grade 323, The Studebaker

Jewels – 17 extra fine ruby and sapphire jewels. Gold settings. Olive hole balance jewels. Plates – Richly damaskeened in a handsome pattern. Pearl finish under dial and on under side of plates. Gilt lettering. Stem winding work all highly polished and finished. Recoiling click. Dust band. Setting – lever. Self-locking setting device. Balance – chamfered and extra highly polished compensating balance with gold balance screws. Meantime screws. Breguet hair spring. New stationary hair spring stud. “Precision” nut and screw regulator. Escapement – Double roller escapement. Sapphire pallets and jewel pin. Steel escape wheel, highly finished and beveled with all acting surfaces ground and polished. Tested on half time without hair spring. Adjustments – adjusted to temperature, five positions and isochronism. Most accurately rated. Dial – Special, high-grade glass enamel, ground edge dial. Finish – all visible steel work, plate and case screws, highly polished and cornered.

Open Face. Lever set. First run – 1908, last run – 1912. Total production 4000.