Good morning:

I am hoping that someone can provide me with a part # for a mainspring on a small Bracelet Waltham watch. I'm not sure of the size (0?) but it is a 15J. The serial # is 19,084,445.

Thank you in advance,

Grant

Grant Perry
NAWCC #0157065
Chapter 111
IHC-185 #141

Waltham's "Bracelet" series is 10-1/2 lignes and uses a mainspring no.2229

The spring has a hole end and the following dimensions:
width - .150-.155 cm
thickness - .008-.011 cm
length - 26.04 cm (10.25 inches)

Thank you Jerry. Much appreciated
gp

Grant Perry
NAWCC #0157065
Chapter 111
IHC-185 #141