Description:  1931 Unknown

Model Name


Case Date


Case Serial


Signature Locations

Inside case, movement, dial

Case Signature Format

"Bulova Quality"


9AT, 17 Jewels, Unadjusted

Movement Date Code


Movement Serial


Case Material Description

None indicated (yellow gold)

Case Dimensions

36.5mm lug to lug x 24.3mm without crown

Case Type

Single-hinged, rectangular

Crystal Specifications

24.4mm x 17.8mm, rectangular

Other Details

1927 patent date inside case

Dust shield and ring intact

Gold movement block and dust shield retainer ring

NOTES:  Apart from the gold color, this watch appears to be identical in shape, size, and style to this one:  1929 Unknown.  The 1929 example is all white gold, including a white gold strip on the bezel horizontals.  This example is yellow gold, except for the white gold strip. 

1931 Unknown