Pocket Watch Database

From the American Horology Archive:
Waltham Grade No. 630 Pocket Watch

American Waltham Watch Co.

Grade: No. 630

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 16146023
Grade: No. 630
Model: 1899
Estimated Production Year: 1907
Run Quantity: 1,000
Grade/Model Run: 99 of 111
Grade/Model Total Production: 73,550
Size: 16s
Jewels: 17j
Movement Configuration: Hunting
Movement Setting: Pendant
Plate: Bridge Plate
Bridge Type: Center
Regulator: Church 1892
Hairspring: Breguet
Adjusted: Yes
Adjusted to Position: No
Adjusted to Temperature: Yes
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Case: Various
Run ID: 20517.G99.16S2326.161899M1247.H6748.P5938.17J1668
Database Version: v52.235
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
103.57
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
94.25
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.103%
Registry Population: 4 (0.40%)
$ Estimated Value (12 Month Change): -2.44% Analyzing 310 Sales
Research Note: #16146418: Verified as Marked "P.S. Bartlett" oddly around the barrel wheel. All other aspects are consistent with the No. 630 grade classification.

Help Us Help Others By Improving the Database:

Does this information describe your movement accurately?

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.


MoatsJustin1 top-contributor 4691 · October 23, 2023

Serial Number 16146265 was reported as accurate.

Anonymous · December 18, 2022

Serial Number 16146418 was reported as inaccurate.

Note: PS BARTLETT SIGNED
Curator Response: Thanks for the report. This information has been noted in the research notes for this run.

Anonymous · July 14, 2022

Serial Number 16146960 was reported as accurate.

Anonymous · December 6, 2020

Serial Number 16146984 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Gilt or Nickel
Plate changed from 3/4 to Bridge

Anonymous · February 3, 2020

Serial Number 16146303 was reported as inaccurate.

Note: THIS SERIAL NUMBER IS A PS BARTLETT
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.
Changes since this report was submitted:
Movement Finish changed from Nickel to Gilt or Nickel
Plate changed from 3/4 to Bridge

Anonymous · July 3, 2019

Serial Number 16146094 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Gilt or Nickel
Plate changed from 3/4 to Bridge

Ashraf 149 · June 30, 2019

Serial Number 16146094 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Gilt or Nickel
Plate changed from 3/4 to Bridge

Anonymous · March 26, 2018

Serial Number 16146020 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Gilt or Nickel
Plate changed from 3/4 to Bridge

Anonymous · July 21, 2016

Serial Number 16146328 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Gilt or Nickel
Plate changed from 3/4 to Bridge

Anonymous · March 20, 2015

Serial Number 16146783 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge
Waltham Grade No. 630 Pocket Watch