Hamilton Pocket Watch: Serial Number 239491 (Grade 943)

Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/hamilton/239491

Access Date: April 29, 2024

From the American Horology Archive:

Hamilton Watch Co.

Grade: 943

Some Finished as 947

Manufacturer:	Hamilton
Manufacturer Location:	Lancaster, Pennsylvania
Movement Serial Number:	239491
Grade:	943
Model:	2
Estimated Production Year:	1908
Run Quantity:	500
Grade/Model Run:	8 of 8
Grade/Model Total Production:	2,700
Size:	18s
Jewels:	21j
Jewel Material:	Ruby & Sapphire
Jewel Setting:	Gold Settings (Screw-Set)
Movement Configuration:	Hunting
Movement Finish:	Nickel
Movement Inlay Color:	Gilt
Movement Setting:	Lever
Plate:	Full Plate
Barrel:	Motor
Regulator:	Goldthwait
Hairspring:	Breguet
Pallet Jewel Material:	Sapphire
Standard Dial Type:	Double-Sunk
Adjusted:	Yes
Adjusted to Position:	Yes
Adjusted # of Positions:	5
Adjusted to Temperature:	Yes
Adjusted to Isochronism:	Yes
Railroad Grade:	Yes
Railroad Grade Classification:	Class C
Dial Feet Locations:	2.6, 18.0, 38.2
U.S. Patents:	832672, 427072
Data Research:	1953 Hamilton Serial List
Case:	Various
Run ID:	560.943G8.18S361.182M177.H263.L354.21J98
Database Version:	v52.246
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	8.13
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	3.56
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	0.025%
Registry Population:	13 (2.60%)
Research Note: #239125: Verified as Grade 947 (Marked) [eBay #323703138204]. #239105: Reported as a 947. #239105: Verified as marked "947" and "23 Jewels" [eBay #255603334564].

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Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
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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.

Anonymous · February 15, 2024

Serial Number 239467 was reported as accurate.

Anonymous · June 14, 2023

Serial Number 239105 was reported as inaccurate.

Note: It says 947 on the movement with 23 jewels

Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.

Anonymous · November 3, 2022

Serial Number 239105 was reported as accurate.

ChrisG Top Contributor Supporter 543 · October 28, 2022

Serial Number 239105 was reported as inaccurate.

Note: Curator : 23 j model. Thx
eBay item number:255603334564

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

MrPJD3 Supporter 1 · September 24, 2022

Serial Number 239105 was reported as inaccurate.

Note: Because this serial # is a 23 jewel 947 grade but
you have it listed as a 21 jewel 943 grade.

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

Anonymous · August 16, 2022

Serial Number 239403 was reported as inaccurate.

Note: Movement # 239403 is stamped 947, 23 jewels . And
the database indicates “943” and “21 jewels
“. I hope this helps .

Curator Response: Thanks for the confirmation!

Anonymous · May 11, 2022

Serial Number 239396 was reported as accurate.

Anonymous · May 8, 2020

Serial Number 239025 was reported as inaccurate.

Note: 23 jewel
Motor barrel

Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.

Anonymous · September 3, 2019

Serial Number 239230 was reported as accurate.

Anonymous · August 24, 2019

Serial Number 239230 was reported as accurate.

Anonymous · June 9, 2019

Serial Number 239420 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · April 25, 2019

Serial Number 239078 was reported as accurate.

Anonymous · April 24, 2019

Serial Number 239078 was reported as accurate.

Anonymous · February 21, 2019

Serial Number 239125 was reported as inaccurate.

Note: ebay has a 947, 23 jewel serial 239125 listed
here:
https://www.ebay.com/itm/Hamilton-18s-23j-947-In-1
4K-Gold-Hunting-Case-W-Stag-Only-308-Made-RARE-M03
0/323703138204?hash=item4b5e35e79c:g:IKMAAOSwhzhcB
sg0

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

Anonymous · May 24, 2018

Serial Number 239473 was reported as accurate.

Anonymous · October 1, 2017

Serial Number 239116 was reported as accurate.

Anonymous · September 15, 2017

Serial Number 239116 was reported as accurate.

Gimparoo Supporter 703 · August 22, 2017

Serial Number 239491 was reported as accurate.

jibberyerkibber 50 · November 27, 2016

Serial Number 239093 was reported as inaccurate.

Note: This watch is marked "947."

Anonymous · May 11, 2016

Serial Number 239387 was reported as accurate.

Anonymous · February 17, 2016

Serial Number 239093 was reported as inaccurate.

Note: This movement is marked "947" and "23 jewels" and
"motor barrel" and the motor barrel is jeweled.
The watch is the one that was on eBay and it is no
longer available on eBay. Regards, Richard Vye