Pocket Watch Database

From the American Horology Archive:
Hamilton Grade 992B Pocket Watch

Hamilton Watch Co.

Grade: 992B

Manufacturer: Hamilton
Manufacturer Location: Lancaster, Pennsylvania
Movement Serial Number: 4C145625
Grade: 992B
Model: 5
Estimated Production Year: 1970
Run Quantity: 5,750
Grade/Model Run: 1 of 32
Grade/Model Total Production: 531,750
Size: 16s
Jewels: 21j
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Lever
Plate: 3/4 Plate
Adjusted: Yes
Adjusted # of Positions: 6
Adjusted to Temperature: Yes
Railroad Grade: Yes
Dial Feet Locations: 22.3, 38.0, 57.1
Hamilton 16s Dial Feet Research
Data Research: 1953 Hamilton Serial List
Case: Various
Run ID: 2379.G1.16S1435.165M22.O1740.L1428.21J667
Database Version: v52.219
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
1,592.11
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
702.46
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
4.990%
Registry Population: 22 (0.38%)
$ Estimated Value (12 Month Change): 1.41% Analyzing 7,532 Sales
Research Note: Research Credit:
Bruce G.

Research Link:
https://mb.nawcc.org/threads/hamilton-serial-number-starting-with-4c.16742/

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.


DisprBJR Supporter 15 · January 14, 2024

Serial Number 4C147413 was reported as accurate.

avpalermo Supporter 568 · October 15, 2023

Serial Number 4C146930 was reported as accurate.

Anonymous · February 3, 2023

Serial Number 4C148336 was reported as accurate.

Bluejay 179 · August 7, 2022

Serial Number 4C146580 was reported as accurate.

Anonymous · January 22, 2022

Serial Number 4C147751 was reported as accurate.

Anonymous · October 5, 2021

Serial Number 4C147553 was reported as accurate.

sem1949 66 · May 7, 2021

Serial Number 4C148393 was reported as accurate.

Bluejay 179 · April 8, 2021

Serial Number 4C146580 was reported as accurate.

Anonymous · March 30, 2021

Serial Number 4C146580 was reported as accurate.

Anonymous · December 16, 2020

Serial Number 4C147629 was reported as accurate.

Anonymous · November 13, 2020

Serial Number 4C147744 was reported as accurate.

Anonymous · August 8, 2020

Serial Number 4C148256 was reported as accurate.

Anonymous · July 10, 2020

Serial Number 4C148256 was reported as accurate.

Anonymous · June 4, 2020

Serial Number 4C145954 was reported as accurate.

Anonymous · June 4, 2020

Serial Number 4C145954 was reported as accurate.

ebsrods Supporter 108 · February 1, 2020

Serial Number 4C146848 was reported as accurate.

Anonymous · January 21, 2020

Serial Number 4C144962 was reported as inaccurate.

Note: Only 1000 of these were made from existing
Parts of Hamilton 992b Watches
Changes since this report was submitted:
Grade changed from 4992b to 992b
Jewels changed from 22j to 21j
Movement Setting changed from Pendant to Lever
Railroad Grade changed from No to Yes

Anonymous · January 21, 2020

Serial Number 4C144962 was reported as accurate.

Changes since this report was submitted:
Grade changed from 4992b to 992b
Jewels changed from 22j to 21j
Movement Setting changed from Pendant to Lever
Railroad Grade changed from No to Yes

Anonymous · January 5, 2020

Serial Number 4C147268 was reported as accurate.

Anonymous · November 18, 2019

Serial Number 4C148349 was reported as accurate.

Anonymous · November 5, 2019

Serial Number 4C148225 was reported as accurate.

Anonymous · June 26, 2019

Serial Number 4C146273 was reported as accurate.

Anonymous · June 24, 2019

Serial Number 4C144772 was reported as inaccurate.

Note: 992b
21j
year of production 1967-1968
Changes since this report was submitted:
Grade changed from 4992b to 992b
Jewels changed from 22j to 21j
Movement Setting changed from Pendant to Lever
Railroad Grade changed from No to Yes

Anonymous · June 7, 2019

Serial Number 4C145397 was reported as accurate.

retract 14 · December 22, 2018

Serial Number 4C147538 was reported as accurate.

Anonymous · December 22, 2018

Serial Number 4C147538 was reported as accurate.

Anonymous · October 25, 2018

Serial Number 4C145698 was reported as accurate.

Anonymous · January 28, 2018

Serial Number 4C148457 was reported as inaccurate.

Note: 4c148457 was one of the 992b watch's made using a
4992b plate during the cleanup run after the
factory closed in 1969. Because of the 4992b plate
that was used, it had 22 jewels, and there was
less than 1000 made.

Anonymous · December 22, 2017

Serial Number 4C144892 was reported as inaccurate.

Note: There were less than 1000 of these "4C Prefix"
1970 Hamilton 992B's made after Hamilton closed
the factory on 1969. The 4C prefix serial number
id the leftover Hamilton military 4992B's made for
the Military in the 1940's.
Changes since this report was submitted:
Grade changed from 4992b to 992b
Jewels changed from 22j to 21j

Anonymous · November 28, 2017

Serial Number 4C147855 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · September 18, 2017

Serial Number 4C144867 was reported as inaccurate.

Note: It is marked 21 jewels
Curator Response: Thanks for the report. The additional jewel for the sweep second mechanism makes it 22 jewels even though the base movement may be marked "21 Jewels."
Changes since this report was submitted:
Grade changed from 4992b to 992b
Jewels changed from 22j to 21j

rtwatches 943 · August 8, 2017

Serial Number 4C144938 was reported as accurate.

Changes since this report was submitted:
Grade changed from 4992b to 992b
Jewels changed from 22j to 21j

Anonymous · July 5, 2017

Serial Number 4C147001 was reported as accurate.

Anonymous · May 26, 2017

Serial Number 4C145057 was reported as accurate.

Anonymous · April 27, 2017

Serial Number 4C147001 was reported as accurate.

Anonymous · January 24, 2017

Serial Number 4C145943 was reported as accurate.

Anonymous · January 12, 2017

Serial Number 4C144962 was reported as accurate.

Changes since this report was submitted:
Grade changed from 4992b to 992b
Jewels changed from 22j to 21j
Hamilton Grade 992B Pocket Watch