Pocket Watch Database

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

American Waltham Watch Co.

Grade: W.W.Co.

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 958911
Grade: W.W.Co.
Model: 1857
Estimated Production Date: October 1877 - March 1878
Run Quantity: 30
Grade/Model Run: 212 of 236
Grade/Model Total Production: 59,722
Size: 18s
Jewels: 15j
Movement Configuration: Adaptable
Movement Finish: Nickel
Movement Setting: Key
Plate: Full Plate
Regulator: Plain
Adjusted: Yes
Adjusted to Position: Yes
Case: Various
Run ID: 6707.G212.18S5639.181857M5417.O6347.K6338.15J1597
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
Database Version: v52.343
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
151.65
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
138.00
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.151%
Registry Population: 2 (6.67%)
$ Estimated Value (12 Month Change): 4.78% Analyzing 320 Sales
Research Note: #958911 Marked "Excelsior; Made Only For Howard & Co.; Fifth Avenue; New York; At Waltham, Mass" [eBay #392032031692]

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Waltham Grade W.W.Co. Pocket Watch