Hamilton Pocket Watch: Serial Number 385855 (Grade 990)

Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/hamilton/385855

Access Date: January 27, 2023

From the American Horology Archive:

Hamilton Watch Co.

Grade: 990

Manufacturer:	Hamilton
Manufacturer Location:	Lancaster, Pennsylvania
Movement Serial Number:	385855
Grade:	990
Model:	1
Estimated Production Year:	1907
Run Quantity:	200
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:	6 (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		385827	#27	Collection	December 29, 2017
2		385828	#28	Marketplace	October 03, 2019
3		385835	#35	Marketplace	July 19, 2018
4	Image Credit: fourleaf57	385855	#55	Collection	September 22, 2019
5		385867	#67	Marketplace	November 08, 2013
6		385934	#134	Marketplace	April 12, 2022
Standard Deviation of Known Examples: 40.63 (Expected: 57.88, Δ17.25/8.62%)

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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.