I would like info in SN 2233420

Thanks

2233001-2233500 grade 306, model 7, open face, pendant set, sz 16, 17 jewels, ca. 1910
Adj to temp and 3 pos, rounded train wheels, polished gold top center wheel, steel escape wheel, Breguet hairspring, micrometric screw regulator, concave winding wheels. Extremely well finished and an exceptionally durable and accurate time keeper.

Hope that is what you are looking for

regards,
bb

Just to add....7120 of them made in 36 runs between 1909 and 1922.

Steve