ORIGEN :AMERICA U.S.A. FOR S.P.BARTLETT SERIES Nº I-48366 MODELNº 57

EXHAUST : Still fine, compensating metal steering wheel, with screws.

SINGULARITIES: This is a watch worn by Factors and Delegates of the Canadian Railways. Porta 11 synthetic rubies , large format ,it has a larger flywheel giving more reliability to its accuracy. The gilding of the string is from 8 dies.

BALL: Enameled in white, secondary Arabic numerals at six o'clock; clearly visible minute markings.

BOX: Nickel chrome of 70 millimeters in diameter and 18 de Gruix no. 154.774.