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: 22452126
Grade: No. 620
Model: 1908
Estimated Production Year: 1918
Run Quantity: 2,000
Grade/Model Run: 163 of 197
Grade/Model Total Production: 354,099
Variant Est. Production: 7,000 (16S-M1908-15J-OTP)
Size: 16s
Jewels: 15j
Jewel Setting: Screw-Set
Movement Configuration: Openface
Movement Finish: Two-Tone
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: 24178.G337.16S3579.161908M1132.O15037.P9197.15J5676
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: 7 (0.35%)
$ 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.


lee571 Supporter 78 · March 25, 2024

Serial Number 22452431 was reported as inaccurate.

Note: Since this is a two tone movement (gold and
nickel), there is not any inlay color on the gold
flashed bridges.
Curator Response: These movements feature black inlay. Otherwise, the engravings would not be very visible.

Anonymous · February 21, 2024

Serial Number 22451142 was reported as accurate.

Anonymous · March 29, 2021

Serial Number 22451004 was reported as accurate.

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

Kaorix 1 · January 31, 2019

Serial Number 22451603 was reported as accurate.

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

Anonymous · January 10, 2019

Serial Number 22452722 was reported as accurate.

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

dai4583 58 · April 27, 2018

Serial Number 22452746 was reported as accurate.

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

Anonymous · December 30, 2017

Serial Number 22451055 was reported as accurate.

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

cmdraven 3970 · March 31, 2017

Serial Number 22452972 was reported as accurate.

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

Anonymous · January 31, 2017

Serial Number 22452126 was reported as inaccurate.

Note: My particular movement is 2-toned. Gold flashed
plate with nickel balance cock. I can upload an
image if you like
Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · May 17, 2016

Serial Number 22451142 was reported as accurate.

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

Anonymous · May 1, 2016

Serial Number 22451800 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