Pocket Watch Database

From the American Horology Archive:

Hamilton Watch Co.

Grade: 400

Alternatively Grade 921 (See Research Note)

Manufacturer: Hamilton Question Mark
Manufacturer Location: Lancaster, Pennsylvania Question Mark
Movement Serial Number: H2596 Question Mark
Grade: 400 Question Mark
Model: 3 Question Mark
Estimated Production Year: 1932 Question Mark
Run Quantity: 800 Question Mark
Grade/Model Run: 2 of 3 Question Mark
Grade/Model Total Production: 2,300 Question Mark
Size: 12s Question Mark
Jewels: 21j Question Mark
Jewel Setting: Gold Settings (Screw-Set) Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Inlay Color: Gilt Question Mark
Movement Setting: Pendant Question Mark
Plate: Bridge Plate Question Mark
Bridge Type: Center Question Mark
Barrel: Patent Motor Question Mark
Regulator: Illinois Spring Question Mark
Hairspring: Breguet Question Mark
Pallet Jewel Material: Ruby Question Mark
Adjusted: Yes Question Mark
Adjusted to Position: Yes Question Mark
Adjusted # of Positions: 5 Question Mark
Adjusted to Temperature: Yes Question Mark
Railroad Grade: No Question Mark
Dial Feet Locations: Snap-On Dial Question Mark
Movement Markings: Hamilton
Lancaster, Pa.
Grade 400
21 Jewels
Five Positions
Adjusted
Case: Various Question Mark
Run ID: 2530.400G2.12S125.123M2.O1815.P823.21J732 Question Mark
Data Research: 1953 Hamilton Serial List
Question Mark
Database Version: v52.526 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
6.92 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
3.04 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.022% Question Mark
Registry Population:
Scoped for This Run Only
14 (1.75%) Question Mark
Research Note: Serials H1001-H1800 were utilized by Hamilton on Grade 400 and Grade 921 movements., Originally an Illinois Grade (thin movement).

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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.


ewened 25 · November 21, 2024

Serial Number H2735 was reported as accurate.

Anonymous · June 15, 2024

Serial Number H2662 was reported as accurate.

ewened 25 · March 21, 2024

Serial Number H2735 was reported as accurate.

Anonymous · September 22, 2023

Serial Number H2474 was reported as inaccurate.

Note: my movement with serial number H2474 is a 10 size
model 921
Curator Response: Hamilton used this serial number for two separate runs. Just make sure you click on the "Grade 921" option when you lookup the serial number instead of "Grade 400." The information is there. https://pocketwatchdatabase.com/search/result/hamilton/H2474-921

Anonymous · October 9, 2021

Serial Number H2077 was reported as accurate.

billreid 143 · April 29, 2021

Serial Number H2607 was reported as accurate.

bunnofnickle 67 · October 13, 2020

Serial Number H2266 was reported as accurate.

JerryT Waltham Expert Small Watch Expert 425 · June 10, 2020

Serial Number H2183 was reported as accurate.

Anonymous · February 29, 2020

Serial Number H2102 was reported as accurate.

Anonymous · April 29, 2019

Serial Number H2022 was reported as accurate.

Anonymous · April 12, 2019

Serial Number H2225 was reported as inaccurate.

Note: I own Hamilton H2225, it is marked 921, 21 jewels,
5 positions and it is a 10 size movement not a 12
size as listed on your site
Curator Response: Please read the research notes. Hamilton utilized these serial numbers for Grade 400 and 921.

tkburrell 1 · July 8, 2018

Serial Number H2604 was reported as accurate.

Anonymous · April 13, 2018

Serial Number H2432 was reported as inaccurate.

Note: Movement stamped "921"

Dieselburb 21 · September 21, 2017

Serial Number H2299 was reported as accurate.

Dieselburb 21 · September 21, 2017

Serial Number H2299 was reported as accurate.

ncplumber 150 · September 2, 2017

Serial Number H2509 was reported as inaccurate.

Note: This is a 921 movement.

Anonymous · June 12, 2017

Serial Number H2070 was reported as accurate.

ncplumber 150 · April 3, 2017

Serial Number H2250 was reported as accurate.

london813 5 · January 16, 2016

Serial Number H2650 was reported as inaccurate.

Note: h2650 is a 921 21 jewel 10 size

Anonymous · February 3, 2015

Serial Number H2469 was reported as inaccurate.

Note: h2469 is a 921 21 jewel 10 size

Anonymous · November 29, 2014

Serial Number H2178 was reported as accurate.

Anonymous · October 4, 2014

Serial Number H2383 was reported as accurate.

Anonymous · September 21, 2014

Serial Number H2577 was reported as accurate.

Anonymous · July 10, 2014

Serial Number H2526 was reported as accurate.

Anonymous · October 23, 2013

Serial Number H2771 was reported as accurate.

Anonymous · January 14, 2013

Serial Number H2011 was reported as accurate.

Changes since this report was submitted:
Size changed from 16 to 12

Anonymous · December 24, 2012

Serial Number H2139 was reported as inaccurate.

Note: This is hamilton 921 movement, size 10.
Changes since this report was submitted:
Size changed from 16 to 12
Plate changed from Unknown to Bridge