0 size grade 151

Grade 151

17 jewels. Bridge model, nickel, pedant set, double roller escapement, steel escape wheel, single sunk or fancy ground edge dial, rayed and beveled winding wheels, regulator with micrometer adjustment, gilt lettering, both O.F. and htg furnished with second hand.

Open Face. Pedant set. First run – 1912, last run 1913. Total production 1010.