Description:  1920 Unknown

Model Name


Case Date


Case Serial


Signature Locations

Inside case, movement

Case Signature Format

"American Standard, Warranted 20 Years", with globe symbol


B, 15 Jewels, 2 Adjustments, signed "Bulova W. Co."

Movement Date Code


Movement Serial


Case Material Description

"Warranted 20 Years"

Case Dimensions

26mm, round

Case Type

Single-hinged back, snap bezel, round

Crystal Specifications

19.5mm, round

Other Details

No name on dial

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.


To view other ladies' models in my collection, visit Ladies' Models.

1920 Unknown