Description:  1931 Unknown

Model Name

Unknown

Case Date

1931

Case Serial

1367242

Signature Locations

Inside case, movement, dial

Case Signature Format

"Bulova Quality"

Movement

9AF, 17 Jewels, Unadjusted, Swiss

Movement Date Code

1930 and 1931

Movement Serial

461880

Case Material Description

None provided (white gold with yellow gold accents)

Case Dimensions

36.5mm lug to lug x 24mm without crown

Case Type

Single-hinged, rectangular

Crystal Specifications

24mm x 17.5mm, rectangular

Other Details

1927 patent date inside case

NOTES:  This model is quite similar to the 1931 Alvin, which is also a rectangular, two-tone model with the same vertical engraving pattern.  However, that model does not also have the horizontal engraving seen on this example.

1931 Unknown

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