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 · February 10, 2021

Serial Number 2109952 was reported as accurate.

Iatwatch 20 · April 25, 2017

Serial Number 2109544 was reported as inaccurate.

Note: Movement Setting Lever

roadking 36 · February 14, 2016

Serial Number 2109195 was reported as inaccurate.

Note: mine says 17 jewels , adjusted and safety pinion.
its probably a 12 size with an open case by dueber
25 years; grade dueber grand. lever set, 12 size,
17 jewells, bridge, adjusted.

Changes since this report was submitted:

Grade changed from Unknown to Dueber Grand

Size changed from Unknown to 12

Plate changed from Unknown to Bridge

Anonymous · September 6, 2015

Serial Number 2109673 was reported as accurate.

Changes since this report was submitted:

Grade changed from Unknown to Dueber Grand

Anonymous · February 10, 2014

Serial Number 2109811 was reported as inaccurate.

Note: actually, s/n 2109811 matches your description but
I thought I'd mention that it's lever set.

Jroberts51 1 · November 23, 2013

Serial Number 2109320 was reported as accurate.

Changes since this report was submitted:

Grade changed from No. 302 to Dueber Grand

Jewels changed from 7J to 17j

Factory Model changed from 3 to 4

Adjusted changed from No to Yes

Plate changed from 3/4 to Bridge