Pocket Watch Database

From the American Horology Archive:
Waltham Grade No. 620 Pocket Watch
Waltham Grade No. 620 Pocket Watch

American Waltham Watch Co.

Grade: No. 620

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 18770925
Grade: No. 620
Model: 1908
Estimated Production Year: 1912
Run Quantity: 1,000
Grade/Model Run: 72 of 197
Grade/Model Total Production: 354,099
Variant Est. Production: 189,599 (16S-M1908-15J-ONP)
Size: 16s
Jewels: 15j
Jewel Setting: Screw-Set
Movement Configuration: Openface
Movement Finish: Nickel
Movement Inlay Color: Black
Movement Setting: Pendant
Plate: Bridge Plate
Regulator: Church 1892
Hairspring: Breguet
Adjusted: No
Railroad Grade: No
Movement Markings: A.W.W.Co.
Waltham, Mass.
15 Jewels
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Case: Various
Run ID: 22123.G246.16S2897.161908M467.O13742.P7344.15J5129
Database Version: v52.219
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
609.59
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
557.82
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.609%
Registry Population: 10 (1.00%)
$ Estimated Value (12 Month Change): -7.37% Analyzing 1,489 Sales

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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.


Time4U 47 · July 20, 2021

Serial Number 18770980 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Gilt or Nickel to Nickel

Anonymous · December 23, 2020

Serial Number 18770826 was reported as accurate.

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

Anonymous · August 24, 2017

Serial Number 18770652 was reported as accurate.

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

ticker32 Supporter 84 · February 8, 2015

Serial Number 18770447 was reported as accurate.

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

Anonymous · November 2, 2014

Serial Number 18770480 was reported as accurate.

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

Anonymous · June 6, 2013

Serial Number 18770908 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 · April 22, 2013

Serial Number 18770478 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge
Waltham Grade No. 620 Pocket Watch
Waltham Grade No. 620 Pocket Watch