Hamilton Pocket Watch: Serial Number 178809 (Grade 942)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/hamilton/178809

Access Date: December 31, 2024

From the American Horology Archive:

Hamilton Watch Co.

Grade: 942

Manufacturer:	Hamilton
Manufacturer Location:	Lancaster, Pennsylvania
Movement Serial Number:	178809
Grade:	942
Model:	1
Estimated Production Year:	1904
Run Quantity:	1,000
Grade/Model Run:	11 of 23
Grade/Model Total Production:	5,913
Size:	18s
Jewels:	21j
Jewel Material:	Ruby & Sapphire
Jewel Setting:	Gold Settings (Screw-Set)
Movement Configuration:	Openface
Movement Finish:	Nickel
Movement Inlay Color:	Gilt
Movement Setting:	Lever
Plate:	Full Plate
Barrel:	Patent 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 A
Dial Feet Locations:	2.6, 18.0, 38.2
U.S. Patents:	832672, 427072
Case:	Various
Run ID:	484.942G11.18S285.181M147.O255.L278.21J76
Data Research:	1953 Hamilton Serial List
Database Version:	v52.529
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	17.80
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	7.81
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	0.055%
Registry Population: Scoped for This Run Only	33 (3.30%)

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Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
There are 33 watches in the population registry for this run with 7 images. Create a FREE account or login to view the population registry and add your watch to the registry. Create a Free Account

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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.

Snapper Supporter 149 · June 19, 2024

Serial Number 178516 was reported as accurate.

Snapper Supporter 149 · May 8, 2024

Serial Number 178510 was reported as accurate.

awalker1829 Supporter 77 · February 23, 2024

Serial Number 178449 was reported as accurate.

Zabala2023 1 · December 26, 2023

Serial Number 178999 was reported as accurate.

Anonymous · December 21, 2023

Serial Number 178999 was reported as accurate.

Anonymous · January 18, 2023

Serial Number 178667 was reported as accurate.

MIKEKTYLER Supporter 128 · December 28, 2022

Serial Number 178432 was reported as accurate.

Anonymous · December 9, 2022

Serial Number 178432 was reported as accurate.

Anonymous · April 9, 2022

Serial Number 178998 was reported as accurate.

Anonymous · April 30, 2021

Serial Number 178428 was reported as accurate.

Anonymous · November 7, 2020

Serial Number 178940 was reported as accurate.

cranemaker Supporter 83 · September 27, 2020

Serial Number 178287 was reported as accurate.

Anonymous · May 27, 2020

Serial Number 178080 was reported as accurate.

Anonymous · March 9, 2020

Serial Number 178561 was reported as accurate.

BobinHSV Supporter 6 · October 22, 2019

Serial Number 178032 was reported as inaccurate.

Note: Production total indicates 5913 units. When I
total yearly production between 1899 and 1914 the
total production quantity is 3908. One of these is
incorrect.

Curator Response: Thanks for the report. However, the yearly totals also equal 5,913. Make sure to account for the 5 designated with the 1898 estimated production year as well. It looks like you also may have dropped the 2,000 designated for 1902.

Anonymous · July 7, 2019

Serial Number 178336 was reported as accurate.

brg404 32 · May 17, 2019

Serial Number 178326 was reported as accurate.

Anonymous · April 8, 2019

Serial Number 178336 was reported as accurate.

Anonymous · March 11, 2019

Serial Number 178313 was reported as accurate.

Anonymous · February 8, 2019

Serial Number 178080 was reported as accurate.

pppmike 13 · January 16, 2019

Serial Number 178948 was reported as accurate.

sergioag 7 · December 29, 2018

Serial Number 178798 was reported as inaccurate.

Note: It has a going barrel instead of a motor barrel.

Curator Response: Thanks for the report. Hamilton records indicate the motor barrel was fitted on all 942 movements. Do you have photographs of the barrel in question? Feel free to use the contact form on the site to reach out.