Hamilton Pocket Watch: Serial Number 342297 (Grade 990)

Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/hamilton/342297

Access Date: January 27, 2023

From the American Horology Archive:

Hamilton Watch Co.

Grade: 990

Manufacturer:	Hamilton
Manufacturer Location:	Lancaster, Pennsylvania
Movement Serial Number:	342297
Grade:	990
Model:	1
Estimated Production Year:	1906
Run Quantity:	300
Grade/Model Total Production:	12,599
Size:	16s
Jewels:	21j
Jewel Material:	Ruby & Sapphire
Jewel Setting:	Gold Settings (Screw-Set)
Movement Configuration:	Openface
Movement Finish:	Nickel
Movement Setting:	Lever
Plate:	3/4 Plate
Regulator:	Reed
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
Dial Feet Locations:	7.6, 21.8, 38.0, 50.5 Hamilton 16s Dial Feet Research
Data Research:	1953 Hamilton Serial List
Case:	Various
Registry Population:	9 (3.00%)
Database Version:	v49.708

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Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
1		342011	#11	Marketplace	December 20, 2019
2		342032	#32	Marketplace	March 08, 2020
3		342052	#52	Marketplace	February 07, 2018
4		342134	#134	Inferred
5		342143	#143	Marketplace	February 28, 2017
6		342210	#210	Marketplace	September 03, 2021
7		342237	#237	Marketplace	February 22, 2021
8	Image Credit: bwalder	342297	#297	Collection	March 24, 2016
9	Image Credit: MichaelB	342299	#299	Collection	April 30, 2017
Standard Deviation of Known Examples: 110.49 (Expected: 86.75, Δ23.74/7.91%)

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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.