GP

Start Year
1929
Jewels
15
mybulova_admin
Posted July 3, 2012 - 5:19am

Start year is a guess based on sertial number and style of movement.

Bulova GP movement

bobbee
Posted July 20, 2014 - 4:27am

There is a triangle datemark (1926) in the pointed part of the barrel bridge between the two ratchet wheels.

Reverend Rob
Posted July 22, 2014 - 11:17pm

No interchangability for this one, it isn't in any of the Bulova movt lists, but it is a common ebauche. The keyless works would ID it, but may not be much help for the years produced.