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

Mixed Run: 7-Jewel and 15-Jewel Movements

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 17508721
Grade: No. 620
Model: 1908
Estimated Production Year: 1908
Run Quantity: 2,000
Grade/Model Run: 37 of 197
Grade/Model Total Production: 354,099
Variant Est. Production: 189,599 (16S-M1908-15J-ONP)
Size: 16s
Jewels: 15j    Mixed Run
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: 21400.G211.16S2636.161908M211.O13334.P6703.15J4963
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: 17 (0.85%)
$ Estimated Value (12 Month Change): -7.37% Analyzing 1,489 Sales
Research Note: Waltham Serial Lists designate this run as 15 Jewels. However, #17508721 has been verified with 7 Jewels.

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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.


NumbatNinja Supporter 48 · September 4, 2021

Serial Number 17508721 was reported as inaccurate.

Note: Appears to be 7 Jewels. I think this may be a
mixed run.
Curator Response: Thanks for the report. This information has been noted in the research notes for this run.
Changes since this report was submitted:
Movement Finish changed from Gilt or Nickel to Nickel

geoffshed 15 · July 2, 2020

Serial Number 17508617 was reported as accurate.

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

Anonymous · October 2, 2018

Serial Number 17508624 was reported as accurate.

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

Anonymous · January 1, 2018

Serial Number 17508122 was reported as accurate.

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

cmdraven 3970 · May 21, 2017

Serial Number 17508048 was reported as accurate.

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

Anonymous · March 17, 2017

Serial Number 17508551 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 · October 24, 2016

Serial Number 17507221 was reported as accurate.

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

VICTORIAN1859 82 · October 7, 2016

Serial Number 17507356 was reported as accurate.

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

VH1943 176 · May 15, 2016

Serial Number 17508146 was reported as accurate.

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

VH1943 176 · May 15, 2016

Serial Number 17508146 was reported as accurate.

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

VH1943 176 · May 13, 2016

Serial Number 17508146 was reported as accurate.

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

VH1943 176 · May 13, 2016

Serial Number 17508146 was reported as accurate.

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

Anonymous · May 10, 2016

Serial Number 17508146 was reported as accurate.

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

RandysOldStuff 49 · February 24, 2014

Serial Number 17508912 was reported as accurate.

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

RandysOldStuff 49 · August 18, 2013

Serial Number 17508912 was reported as accurate.

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

Anonymous · June 3, 2013

Serial Number 17508469 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