Pocket Watch Database


From the American Horology Archive:
Waltham Grade Crescent St. Pocket Watch
Waltham Grade Crescent St. Pocket Watch

American Waltham Watch Co.

Grade: Crescent St.

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 520003 Question Mark
Grade: Crescent St. Question Mark
Variation: KWKS Question Mark
Model: 1870 Question Mark
Estimated Production Date: September 1870 - September 1, 1870 Question Mark
Run Quantity: 60 Question Mark
Grade/Model Run: 8 of 22 Question Mark
Grade/Model Total Production: 17,880 Question Mark
Size: 18s Question Mark
Jewels: 15j Question Mark
Movement Configuration: Adaptable Question Mark
Movement Finish: Gilt Question Mark
Movement Setting: Key Question Mark
Plate: Full Plate Question Mark
Adjusted: Yes Question Mark
Adjusted to Position: Yes Question Mark
Case: Various Question Mark
Run ID: 4840.G8.18S4500.181870M8.A8.K4830.15J1184 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: v52.467 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
32.75 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
29.81 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.033% Question Mark
Registry Population:
Scoped for This Run Only
2 (3.33%) 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.


wepouaout 23 · December 15, 2023

Serial Number 520003 was reported as accurate.

Waltham Grade Crescent St. Pocket Watch
Waltham Grade Crescent St. Pocket Watch