Pocket Watch Database


We noticed that you entered a relatively short serial number.
"S621" could possibly indicate the grade of the watch and not the serial number of your movement. Serial numbers are usually more than a few digits.
From the American Horology Archive:
Hamilton Grade 950B Pocket Watch

Hamilton Watch Co.

Grade: 950B

Manufacturer: Hamilton Question Mark
Manufacturer Location: Lancaster, Pennsylvania Question Mark
Movement Serial Number: S621 Question Mark
Grade: 950B Question Mark
Model: 6 Question Mark
Estimated Production Year: 1942 Question Mark
Run Quantity: 1,100 Question Mark
Grade/Model Run: 2 of 19 Question Mark
Grade/Model Total Production: 32,700 Question Mark
Size: 16s Question Mark
Jewels: 23j Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Lever Question Mark
Plate: Bridge Plate Question Mark
Bridge Type: Center Question Mark
Train Material: Gold Question Mark
Adjusted: Yes Question Mark
Adjusted to Position: Yes Question Mark
Adjusted # of Positions: 6 Question Mark
Adjusted to Temperature: Yes Question Mark
Adjusted to Isochronism: Yes Question Mark
Railroad Grade: Yes Question Mark
Dial Feet Locations: 22.3, 38.0, 57.1
Hamilton 16s Dial Feet Research
Question Mark
Case: Various Question Mark
Run ID: 2617.G2.16S1511.166M2.O1828.L1501.23J101 Question Mark
Data Research: 1953 Hamilton Serial List
Question Mark
Database Version: v52.428 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
98.45 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
43.20 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.307% Question Mark
Registry Population:
Scoped for This Run Only
13 (1.18%) Question Mark
$ Estimated Value (12 Month Change): 4.22% Analyzing 857 Sales Question Mark

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.


cjbrem Supporter 854 · December 4, 2023

Serial Number S942 was reported as accurate.

Anonymous · November 24, 2023

Serial Number S791 was reported as accurate.

Anonymous · April 25, 2022

Serial Number S078 was reported as accurate.

Anonymous · February 13, 2022

Serial Number S304 was reported as accurate.

Anonymous · December 16, 2021

Serial Number S444 was reported as accurate.

Anonymous · June 24, 2021

Serial Number S188 was reported as accurate.

Anonymous · November 24, 2020

Serial Number S507 was reported as accurate.

Thaigr 6 · July 28, 2020

Serial Number S293 was reported as accurate.

densgems 6 · May 8, 2020

Serial Number S499 was reported as accurate.

Anonymous · November 8, 2019

Serial Number S432 was reported as accurate.

Anonymous · October 6, 2019

Serial Number S1077 was reported as accurate.

Anonymous · August 13, 2019

Serial Number S944 was reported as accurate.

Anonymous · November 6, 2018

Serial Number S610 was reported as accurate.

Anonymous · May 27, 2018

Serial Number S084 was reported as accurate.

Anonymous · May 19, 2018

Serial Number S084 was reported as accurate.

antdale83 2 · March 1, 2018

Serial Number S575 was reported as accurate.

Anonymous · February 10, 2018

Serial Number S1070 was reported as accurate.

Anonymous · June 24, 2017

Serial Number S0491 was reported as accurate.

Jawilson 1 · January 10, 2017

Serial Number S499 was reported as accurate.

Bulldog1964 7 · September 22, 2016

Serial Number S067 was reported as accurate.

Anonymous · May 13, 2016

Serial Number S807 was reported as accurate.

Anonymous · March 2, 2016

Serial Number S892 was reported as accurate.

bwalder 137 · December 30, 2015

Serial Number S976 was reported as accurate.

Gasperoff Supporter 727 · November 18, 2015

Serial Number S759 was reported as accurate.

Anonymous · November 14, 2015

Serial Number S307 was reported as accurate.

Anonymous · September 27, 2015

Serial Number S744 was reported as accurate.

Anonymous · September 26, 2015

Serial Number S529 was reported as accurate.

Anonymous · September 14, 2015

Serial Number S529 was reported as accurate.

Anonymous · August 17, 2015

Serial Number S899 was reported as accurate.

Anonymous · July 4, 2015

Serial Number S973 was reported as accurate.

walter2 56 · April 25, 2015

Serial Number S264 was reported as accurate.

Anonymous · December 9, 2014

Serial Number S182 was reported as accurate.

Anonymous · December 3, 2014

Serial Number S182 was reported as accurate.

Anonymous · August 17, 2014

Serial Number S338 was reported as accurate.

Anonymous · June 23, 2014

Serial Number S078 was reported as accurate.

axp950b 2 · March 20, 2014

Serial Number S856 was reported as accurate.

Anonymous · January 31, 2014

Serial Number S856 was reported as accurate.

rocket00 236 · January 29, 2014

Serial Number S856 was reported as accurate.

Anonymous · August 16, 2013

Serial Number S182 was reported as accurate.

Anonymous · August 15, 2013

Serial Number S033 was reported as accurate.

Anonymous · August 4, 2013

Serial Number S409 was reported as accurate.

jbrad92 2 · July 25, 2013

Serial Number S033 was reported as accurate.

eparso 59 · July 16, 2013

Serial Number S078 was reported as accurate.

Anonymous · December 11, 2012

Serial Number S944 was reported as accurate.

Hamilton Grade 950B Pocket Watch