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: 21721615
Grade: No. 620
Model: 1908
Estimated Production Year: 1917
Run Quantity: 2,000
Grade/Model Run: 146 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: 23716.G320.16S3398.161908M958.O14737.P8808.15J5576
Database Version: v52.246
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
612.99
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: 9 (0.45%)
$ Estimated Value (12 Month Change): -3.23% 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.


Anonymous · October 19, 2021

Serial Number 21722627 was reported as accurate.

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

Anonymous · May 5, 2021

Serial Number 21722138 was reported as accurate.

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

Anonymous · April 22, 2018

Serial Number 21721192 was reported as inaccurate.

Note: 15 jewel. Open face.
Changes since this report was submitted:
Jewels changed from 7J to 15j
Movement Configuration changed from Hunting to Openface
Plate changed from 3/4 to Bridge

Anonymous · March 10, 2016

Serial Number 21721335 was reported as accurate.

Changes since this report was submitted:
Movement Configuration changed from Hunting to Openface
Plate changed from 3/4 to Bridge

ken506marlin 85 · January 22, 2015

Serial Number 21721012 was reported as accurate.

Changes since this report was submitted:
Movement Configuration changed from Hunting to Openface
Plate changed from 3/4 to Bridge

Anonymous · November 18, 2014

Serial Number 21721447 was reported as inaccurate.

Note: mine has 15 jewels written on the movement
Changes since this report was submitted:
Jewels changed from 7J to 15j
Movement Configuration changed from Hunting to Openface
Plate changed from 3/4 to Bridge

oldpocketwatch 10 · October 27, 2013

Serial Number 21721787 was reported as inaccurate.

Note: Movement is marked 15 jewel, Not marked Traveler.
Changes since this report was submitted:
Jewels changed from 7J to 15j
Movement Configuration changed from Hunting to Openface
Plate changed from 3/4 to Bridge

Anonymous · September 4, 2013

Serial Number 21721988 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Jewels changed from 7J to 15j
Movement Configuration changed from Hunting to Openface
Plate changed from 3/4 to Bridge

Anonymous · July 6, 2013

Serial Number 21721219 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 7J to 15j
Movement Configuration changed from Hunting to Openface
Plate changed from 3/4 to Bridge

Anonymous · March 12, 2013

Serial Number 21721988 was reported as inaccurate.

Note: Open face and movement is marked 15 jewels
Changes since this report was submitted:
Jewels changed from 7J to 15j
Movement Configuration changed from Hunting to Openface
Plate changed from 3/4 to Bridge

Anonymous · January 15, 2013

Serial Number 21721535 was reported as inaccurate.

Note: 15 Jewel, Open face,
Changes since this report was submitted:
Jewels changed from 7J to 15j
Movement Configuration changed from Hunting to Openface
Plate changed from 3/4 to Bridge