Pocket Watch Database


From the American Horology Archive:
Waltham Grade A.T. & Co. Pocket Watch
Waltham Grade A.T. & Co. Pocket Watch

American Waltham Watch Co.

Grade: A.T. & Co.

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 17939 Question Mark
Grade: A.T. & Co. Question Mark
Model: 1857 Question Mark
Estimated Production Date: July 1859 Question Mark
Run Quantity: 10 Question Mark
Grade/Model Run: 142 of 1152 Question Mark
Grade/Model Total Production: 60,258 Question Mark
Size: 18s Question Mark
Jewels: 16j Question Mark
Jewel Setting: Screw-Set Question Mark
Movement Configuration: Adaptable Question Mark
Movement Finish: Gilt Question Mark
Movement Signing Style: Serif (Decorative) Question Mark
Movement Inlay Color: None Question Mark
Movement Setting: Key Question Mark
Plate: Full Plate Question Mark
Balance Type: Solid Question Mark
Balance Material: Gold Question Mark
Regulator: Undersprung Question Mark
Adjusted: No Question Mark
Railroad Grade: No Question Mark
Movement Markings: Appleton, Tracy & Co.
Waltham, Mass.
Case: Various Question Mark
Run ID: 367.G142.18S363.181857M362.O366.K366.16J122 Question Mark
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
Question Mark
Database Version: v52.431 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
165.73 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
150.82 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.165% Question Mark
Registry Population:
Scoped for This Run Only
1 (10.00%) Question Mark
$ Estimated Value (12 Month Change): -0.92% Analyzing 582 Sales Question Mark
Research Note: Waltham Serial Ledgers record this run as featuring 16 Jewels. However, #17939 has been verified with only 15 Jewels.

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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.


TimeAntiquarian Founder Research Expert Historian Top Contributor Supporter 171 · March 3, 2021

Serial Number 17939 was reported as inaccurate.

Note: #17939 does not feature the 16th jewel on the
pillar plate (verified under dial).

Anonymous · June 21, 2019

Serial Number 17940 was reported as accurate.

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