Pocket Watch Database


From the American Horology Archive:
Hamilton Grade 4992B Pocket Watch

Hamilton Watch Co.

Grade: 4992B

Manufacturer: Hamilton Question Mark
Manufacturer Location: Lancaster, Pennsylvania Question Mark
Movement Serial Number: 4C142379 Question Mark
Grade: 4992B Question Mark
Model: 5 Question Mark
Estimated Production Year: 1970 Question Mark
Run Quantity: 9,250 Question Mark
Grade/Model Run: 6 of 6 Question Mark
Grade/Model Total Production: 144,456 Question Mark
Size: 16s Question Mark
Jewels: 22j Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Pendant Question Mark
Plate: 3/4 Plate Question Mark
Adjusted: Yes Question Mark
Adjusted # of Positions: 6 Question Mark
Adjusted to Temperature: Yes Question Mark
Railroad Grade: No Question Mark
Dial Feet Locations: 22.3, 38.0, 57.1
Hamilton 16s Dial Feet Research
Question Mark
Case: Various Question Mark
Run ID: 2378.G6.16S1434.165M21.O1739.P744.22J7 Question Mark
Data Research: 1953 Hamilton Serial List
Question Mark
Database Version: v52.518 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
434.92 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
190.83 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
1.356% Question Mark
Registry Population:
Scoped for This Run Only
23 (0.25%) Question Mark
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.


frich01 Supporter 23 · January 15, 2024

Serial Number 4C136117 was reported as accurate.

avpalermo Supporter 645 · October 15, 2023

Serial Number 4C135775 was reported as accurate.

avpalermo Supporter 645 · October 12, 2023

Serial Number 4C141948 was reported as accurate.

pmtime Supporter 612 · June 12, 2023

Serial Number 4C141271 was reported as accurate.

cmdraven 4083 · December 9, 2022

Serial Number 4C140270 was reported as accurate.

Anonymous · April 11, 2022

Serial Number 4C138596 was reported as accurate.

avpalermo Supporter 645 · January 3, 2022

Serial Number 4C136662 was reported as accurate.

avpalermo Supporter 645 · January 3, 2022

Serial Number 4C140053 was reported as accurate.

avpalermo Supporter 645 · January 3, 2022

Serial Number 4C135775 was reported as accurate.

Anonymous · November 15, 2021

Serial Number 4C140335 was reported as accurate.

Anonymous · August 20, 2021

Serial Number 4C137830 was reported as accurate.

Anonymous · June 7, 2021

Serial Number 4C138077 was reported as accurate.

Anonymous · May 18, 2021

Serial Number 4C143072 was reported as accurate.

Anonymous · February 24, 2021

Serial Number 4C136378 was reported as accurate.

Tocayo 2 · October 10, 2020

Serial Number 4C140652 was reported as inaccurate.

Note: The watch is 21 jewels
Curator Response: Thanks for the report. Yes, the movement is marked "21 Jewels" but actually contains 22 Jewels due to the sweep-second jewel.

Anonymous · September 19, 2020

Serial Number 4C136378 was reported as accurate.

Anonymous · January 13, 2020

Serial Number 4C141024 was reported as inaccurate.

Note: Pendant Setting 4992B, USAN marked case.

Anonymous · August 31, 2019

Serial Number 4C142317 was reported as accurate.

dfchong 837 · June 8, 2019

Serial Number 4C143645 was reported as accurate.

Anonymous · March 13, 2019

Serial Number 4C138877 was reported as accurate.

Anonymous · January 7, 2019

Serial Number 4C137784 was reported as accurate.

Oldbummer 11 · November 20, 2018

Serial Number 4C137803 was reported as inaccurate.

Note: Movement is Pendent set
Changes since this report was submitted:
Movement Setting changed from Lever to Pendant
Railroad Grade changed from Yes to No

Anonymous · October 26, 2018

Serial Number 4C139482 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Lever to Pendant
Railroad Grade changed from Yes to No

Anonymous · June 12, 2017

Serial Number 4C141499 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Lever to Pendant
Railroad Grade changed from Yes to No

Anonymous · May 23, 2017

Serial Number 4C137784 was reported as inaccurate.

Note: Watch is pendant set, not lever set.
Changes since this report was submitted:
Movement Setting changed from Lever to Pendant
Railroad Grade changed from Yes to No

Anonymous · May 22, 2017

Serial Number 4C135742 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Lever to Pendant
Railroad Grade changed from Yes to No

Anonymous · May 20, 2017

Serial Number 4C142756 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Lever to Pendant
Railroad Grade changed from Yes to No

Anonymous · May 8, 2017

Serial Number 4C141381 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Lever to Pendant
Railroad Grade changed from Yes to No
Hamilton Grade 4992B Pocket Watch