Hamilton Pocket Watch: Serial Number 555327 (Grade 936)

Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/hamilton/555327

Access Date: January 27, 2023

From the American Horology Archive:

Hamilton Watch Co.

Grade: 936

Manufacturer:	Hamilton
Manufacturer Location:	Lancaster, Pennsylvania
Movement Serial Number:	555327
Grade:	936
Model:	1
Class:	2
Estimated Production Year:	1907
Run Quantity:	1,000
Grade/Model Total Production:	23,507
Size:	18s
Jewels:	17j
Jewel Setting:	Gold Settings (Screw-Set)
Movement Configuration:	Openface
Movement Finish:	Nickel
Movement Setting:	Lever
Plate:	Full Plate
Double Roller:	Yes
Barrel:	Going
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
Data Research:	1953 Hamilton Serial List
Case:	Various
Registry Population:	24 (2.40%)
Database Version:	v49.701

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Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
1		555121	#121	Marketplace	June 12, 2017
2		555145	#145	Marketplace	August 18, 2015
3		555167	#167	Marketplace	May 01, 2021
4		555182	#182	Marketplace	December 11, 2013
5		555200	#200	Collection	January 05, 2014
6		555208	#208	Marketplace	November 22, 2021
7		555277	#277	Marketplace	February 03, 2020
8	Image Credit: 4mula1fan	555327	#327	Collection	March 21, 2020
9		555342	#342	Marketplace	February 16, 2021
10		555403	#403	Marketplace	September 25, 2022
11		555415	#415	Collection	May 03, 2018
12		555422	#422	Marketplace	February 23, 2019
13		555423	#423	Marketplace	January 13, 2019
14		555437	#437	Collection	January 14, 2023
15		555445	#445	Collection	October 06, 2019
16		555449	#449	Marketplace	August 22, 2020
17		555468	#468	Marketplace	September 20, 2013
18		555537	#537	Marketplace	March 05, 2022
19		555544	#544	Inferred
20	Image Credit: Yellowtail420	555592	#592	Collection	February 28, 2022
21		555726	#726	Marketplace	October 13, 2017
22		555742	#742	Marketplace	September 19, 2021
23	Image Credit: Chronified	555774	#774	Collection	November 25, 2016
24	Image Credit: jacobwalls07	555864	#864	Collection	July 05, 2017
Standard Deviation of Known Examples: 208.13 (Expected: 288.82, Δ80.69/8.07%)

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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.

Yellowtail420 Supporter 96 · March 4, 2022

Serial Number 555592 was reported as accurate.

Yellowtail420 Supporter 96 · March 4, 2022

Serial Number 555592 was reported as accurate.

Anonymous · November 16, 2021

Serial Number 555208 was reported as accurate.

Anonymous · April 23, 2021

Serial Number 555167 was reported as accurate.

Anonymous · December 15, 2020

Serial Number 555013 was reported as inaccurate.

Note: this watch has marked on the mainspring cover 17
jewels grade 924

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