Pocket Watch Database

From the American Horology Archive:
Waltham Grade No. 820 Pocket Watch

American Waltham Watch Co.

Grade: No. 820

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 11954371
Grade: No. 820
Model: 1883
Estimated Production Year: 1902
Run Quantity: 1,500
Grade/Model Run: 107 of 224
Grade/Model Total Production: 413,500
Size: 18s
Jewels: 17j
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Pendant
Plate: Full Plate
Hairspring: Breguet
Adjusted: No
Railroad Grade: No
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Case: Various
Run ID: 17855.G107.18S10823.181883M2477.O11397.P3901.17J838
Database Version: v52.235
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
874.33
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
795.64
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.869%
Registry Population: 6 (0.40%)
Research Note: Waltham Serial Lists Designate Run as 15 Jewels. #11954939 Verified as 17 Jewels (Marked).

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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 · February 1, 2020

Serial Number 11954605 was reported as inaccurate.

No further details were submitted with the report.

cmdraven 3990 · November 11, 2017

Serial Number 11954939 was reported as inaccurate.

Note: 17 jewels
Curator Response: Verified as 17 Jewels (Marked). [eBay #332446350954]
Changes since this report was submitted:
Jewels changed from 15j to 17j

Anonymous · February 29, 2016

Serial Number 11953624 was reported as inaccurate.

Note: stamped 15j and is gold filled standard time
clock face

Anonymous · September 5, 2015

Serial Number 11954574 was reported as inaccurate.

Note: 17 jewels
Changes since this report was submitted:
Jewels changed from 15j to 17j
Movement Finish changed from Gilt or Nickel to Nickel

Anonymous · September 16, 2013

Serial Number 11954371 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 15j to 17j
Waltham Grade No. 820 Pocket Watch