Description:  1931 Unknown

Model Name

Unknown

Case Date

1931

Case Serial

1216400

Signature Locations

Inside case, movement, dial

Case Signature Format

"Bulova Quality"

Movement

10AN, 17 Jewels, Unadjusted

Movement Date Code

1931

Movement Serial

691407

Case Material Description

None provided (white and yellow gold)

Case Dimensions

36.5mm lug to lug x 26.5mm without crown

Case Type

Single-hinged, hexagonal

Crystal Specifications

22mm x 20.5mm, hexagonal (G-S H440, B*B H2205 205)

Other Details

1927 patent date inside case

Dust shield and ring intact

NOTES:  This model takes the same crystal as the Sky King.

1931 Unknown

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