Pocket Watch Database
Access Date: January 29, 2023
From the American Horology Archive:
American Waltham Watch Co.
Grade: Crescent St.
|Manufacturer Location:||Waltham, Massachusetts|
|Movement Serial Number:||770850|
|Estimated Production Date:||April 1876 - September 1, 1877|
|Grade/Model Total Production:||17,880|
|Adjusted to Position:||Yes|
c.1900 Waltham Factory Ledgers
1954 Waltham "Gray Book" List
|Registry Population:||8 (0.80%)|
Population Registry for This Run
|Image||Serial Number||Run Position||Primary Identification Method||Discovery Date|
|1||770139||#139||Marketplace||March 11, 2018|
|2||770247||#247||Marketplace||February 26, 2017|
|4||770650||#650||Collection||December 07, 2014|
Image Credit: TKuhns
|770850||#850||Collection||March 24, 2016|
|6||770877||#877||Marketplace||August 26, 2017|
Image Credit: Rickhufnagel7
|770970||#970||Collection||February 25, 2020|
|Standard Deviation of Known Examples: 336.81 (Expected: 288.82, Δ47.99/4.80%)|
Help Us Help Others By Improving the Database:
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Verification Reports for this Run
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.
Rcardkidz 2787 · June 13, 2020
Serial Number 770694 was reported as accurate.
Anonymous · November 18, 2016
Serial Number 770314 was reported as inaccurate.
sanjosetom 301 · February 22, 2016
Serial Number 770626 was reported as accurate.
Anonymous · February 2, 2015
Serial Number 770771 was reported as inaccurate.
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