Final Version of the 18 size, Hampden, John Hancock.                                   Open-Face, 21 Jewel, Adjusted to 5 Positions, w/ Double Roller.                                      

The first John Hancock was made when Hampden was "The New York Watch Co." . The next incarnation was a 21 Jewel, Adjusted, version, then 21 Jewels, Adjusted to 5 Positions, & finally this Model w/ Double Roller added on to the Movement. 

Gold Filled, J. Boss, Keystone,  Case.

Double Sunk, Arabic Script, Dial, w/ Spade Hour & Whip Minute Hand. This Model has a manufacturing date of 1910
& would have satisfied the Railroad Standards for watches into the 1920's when the 18 size watches were no longer accepted.