Pocket Watch Database

From the American Horology Archive:
Waltham Grade No. 630 Pocket Watch

American Waltham Watch Co.

Grade: No. 630

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 18140579 Question Mark
Grade: No. 630 Question Mark
Model: 1908 Question Mark
Estimated Production Year: 1911 Question Mark
Run Quantity: 1,000 Question Mark
Grade/Model Run: 15 of 15 Question Mark
Grade/Model Total Production: 11,900 Question Mark
Size: 16s Question Mark
Jewels: 17j Question Mark
Movement Configuration: Openface Question Mark
Movement Setting: Pendant Question Mark
Plate: Bridge Plate Question Mark
Regulator: Church 1892 Question Mark
Hairspring: Breguet Question Mark
Adjusted: Yes Question Mark
Adjusted to Position: No Question Mark
Adjusted to Temperature: Yes Question Mark
Railroad Grade: No Question Mark
Case: Various Question Mark
Run ID: 21794.G126.16S2779.161908M354.O13545.P7026.17J2075 Question Mark
Data Research: 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
20.47 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
18.63 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.020% Question Mark
Registry Population:
Scoped for This Run Only
4 (0.40%) Question Mark
$ Estimated Value (12 Month Change): -1.40% Analyzing 200 Sales 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 · December 12, 2020

Serial Number 18140768 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · May 23, 2019

Serial Number 18140642 was reported as inaccurate.

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

Anonymous · January 3, 2019

Serial Number 18141323 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge

spgurney Supporter 2 · January 11, 2017

Serial Number 18140573 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge
Waltham Grade No. 630 Pocket Watch