Hamilton Pocket Watch: Serial Number 1228871 (Grade 990)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/hamilton/1228871

Access Date: November 21, 2024

From the American Horology Archive:

Hamilton Watch Co.

Grade: 990

Manufacturer:	Hamilton
Manufacturer Location:	Lancaster, Pennsylvania
Movement Serial Number:	1228871
Grade:	990
Model:	2
Estimated Production Year:	1917
Run Quantity:	300
Grade/Model Run:	3 of 6
Grade/Model Total Production:	3,700
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
Barrel:	Going
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:	22.3, 38.0, 57.1 Hamilton 16s Dial Feet Research
Case:	Various
Run ID:	1678.990G42.16S956.162M123.O1121.L1101.21J477
Data Research:	1953 Hamilton Serial List
Database Version:	v52.450
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	11.14
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	4.89
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	0.035%
Registry Population: Scoped for This Run Only	7 (2.33%)

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Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
There are 7 watches in the population registry for this run with 3 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.