Pocket Watch Database


From the American Horology Archive:
Waltham Grade Am.W.Co. Pocket Watch

American Waltham Watch Co.

Grade: Am.W.Co.

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 5527487 Question Mark
Grade: Am.W.Co. Question Mark
Model: 1889 Question Mark
Estimated Production Date: January 1893 - June 1894 Question Mark
Run Quantity: 3,000 Question Mark
Grade/Model Run: 9 of 9 Question Mark
Grade/Model Total Production: 9,800 Question Mark
Size: 6s Question Mark
Jewels: 7j Question Mark
Movement Configuration: Adaptable Question Mark
Movement Setting: Key Question Mark
Plate: 3/4 Plate Question Mark
Hairspring: Breguet Question Mark
Adjusted: No Question Mark
Railroad Grade: No Question Mark
Case: Various Question Mark
Run ID: 14188.G644.6S323.61889M53.O9554.K9095.7J4017 Question Mark
Data Research: c.1900 Waltham Factory Ledger Book 2 [NAWCC]
1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.449 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
21.98 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
20.00 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.022% Question Mark
Registry Population:
Scoped for This Run Only
11 (0.37%) Question Mark

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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.


Anonymous · October 28, 2023

Serial Number 5527403 was reported as inaccurate.

Note: Difference model, back key wind movement
Curator Response: Thanks for the report. This is the same model, just a different plate variant.

Wyncroft Supporter 18 · April 7, 2021

Serial Number 5527914 was reported as inaccurate.

Note: Model 1890 split plate 6s
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.

Anonymous · May 13, 2020

Serial Number 5528399 was reported as accurate.

ashleigh 56 · February 14, 2020

Serial Number 5527487 was reported as inaccurate.

Note: Serial No 5527487 is a 3/4 split plate.

Anonymous · September 26, 2019

Serial Number 5527062 was reported as accurate.

Anonymous · July 19, 2019

Serial Number 5529988 was reported as accurate.

Anonymous · May 15, 2019

Serial Number 5529749 was reported as accurate.

ashleigh 56 · March 22, 2019

Serial Number 5527487 was reported as accurate.

Anonymous · March 20, 2019

Serial Number 5527497 was reported as accurate.

Anonymous · July 11, 2017

Serial Number 5529139 was reported as accurate.

Anonymous · October 30, 2016

Serial Number 5528620 was reported as accurate.

Anonymous · February 10, 2016

Serial Number 5527189 was reported as accurate.

Wyncroft Supporter 18 · June 24, 2015

Serial Number 5529615 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Plate changed from Unknown to 3/4

Wyncroft Supporter 18 · June 24, 2015

Serial Number 5529615 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Plate changed from Unknown to 3/4

Wyncroft Supporter 18 · June 24, 2015

Serial Number 5529615 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Plate changed from Unknown to 3/4

Anonymous · July 18, 2014

Serial Number 5528336 was reported as accurate.

Waltham Grade Am.W.Co. Pocket Watch