Description:  1921 Unknown

Model Name


Case Date


Case Serial


Signature Locations

Inside case, movement

Case Signature Format

"American Standard, Warranted 25 Years, Monogram Quality", with globe symbol


BII, 15 Jewels, 3 Adjustments, signed "Bulova W. Co.", Swiss

Movement Date Code


Movement Serial


Case Material Description

Gold Filled (yellow)

Case Dimensions

26mm without crown

Case Type

Single-hinged back, snap bezel, octagonal

Crystal Specifications

20mm, round

Other Details

Movement includes a small triangle with the number "9" inside it

Edge of movement block includes hand-inscribed Roman numerals that match the last three digits of the case serial number, i.e., "274", indicating the movement and case were, at some point, noted to belong together

NOTES:   Information about American Standard signed cases is included in Bulova Case Signatures.  The basis of the date assigned to this watch is explained in Dating a Bulova, which now includes a detailed timeline for assessing watches made prior to 1926.


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1921 Unknown