Pocket Watch Database

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

American Waltham Watch Co.

Grade: Home Watch Co.

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 377907
Grade: Home Watch Co.
Model: 1857
Estimated Production Date: October 1868 - June 1869
Run Quantity: 1,000
Grade/Model Run: 40 of 261
Grade/Model Total Production: 134,758
Size: 18s
Jewels: 7j
Movement Configuration: Adaptable
Movement Finish: Gilt
Movement Setting: Key
Plate: Full Plate
Balance Type: Solid
Balance Material: Steel
Adjusted: No
Railroad Grade: No
Data Research: c.1900 Waltham Factory Ledger Book 1 [NAWCC]
c.1900 Waltham Factory Ledgers [Ehrhardt Transcription]
1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Case: Various
Run ID: 4038.G40.18S3778.181857M3575.O4034.K4036.7J330
Database Version: v52.219
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
390.90
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
357.70
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.391%
Registry Population: 5 (0.50%)

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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 · May 15, 2021

Serial Number 377716 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · January 18, 2021

Serial Number 377178 was reported as accurate.

Changes since this report was submitted:
Adjusted changed from Yes to No

Anonymous · February 22, 2018

Serial Number 377764 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Adjusted changed from Yes to No

Anonymous · February 5, 2018

Serial Number 377949 was reported as accurate.

Changes since this report was submitted:
Adjusted changed from Yes to No

Anonymous · August 9, 2016

Serial Number 377624 was reported as accurate.

Changes since this report was submitted:
Adjusted changed from Yes to No
Waltham Grade Home Watch Co. Pocket Watch