The following reports have been graciously submitted by dedicated members in reference to this production run. These reports are useful to verify data and track inaccuracies that require further research. Please note that reports may contain inaccurate information or assumptions that must be dilligently considered with other available sources.

Anonymous · January 12, 2023

Serial Number 39261165 was reported as inaccurate.

Note: This one is a wind indicator with GCT white
porcelain dial, and has 22 jewels but marked as 21
jewel, in correct base military case.

Curator Response: Thanks for the report. The database has been updated accordingly.

Changes since this report was submitted:

Jewels changed from 21j to 22j

Movement Configuration changed from Sweepsecond to Openface

Anonymous · March 3, 2022

Serial Number 39261043 was reported as accurate.

Changes since this report was submitted:

Jewels changed from 21j to 22j

Movement Configuration changed from Sweepsecond to Openface

sukay85 8 · June 18, 2018

Serial Number 39261061 was reported as inaccurate.

Note: Has wind indicator option .

Curator Response: Thanks for the report. The early Grade 581 movements were manufactured with provisions for a wind indicator. However, not all were actually equipped with this option. Does your watch have a wind indicator on the dial?

Changes since this report was submitted:

Jewels changed from 21j to 22j

Movement Configuration changed from Sweepsecond to Openface

Anonymous · September 22, 2012

Serial Number 39261275 was reported as accurate.

Changes since this report was submitted:

Jewels changed from 21j to 22j

Movement Configuration changed from Sweepsecond to Openface