Pocket Watch Database

From the American Horology Archive:
Hamilton Grade 990 Pocket Watch

Hamilton Watch Co.

Grade: 990

Manufacturer: Hamilton
Manufacturer Location: Lancaster, Pennsylvania
Movement Serial Number: 308600
Grade: 990
Model: 1
Estimated Production Year: 1904
Run Quantity: 700
Grade/Model Run: 4 of 39
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
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: 7.6, 21.8, 38.0, 50.5
Hamilton 16s Dial Feet Research
Data Research: 1953 Hamilton Serial List
Case: Various
Run ID: 681.990G4.16S233.161M204.O363.L443.21J139
Database Version: v52.235
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
37.93
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
16.64
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.118%
Registry Population: 17 (2.43%)
$ Estimated Value (12 Month Change): 6.34% Analyzing 200 Sales

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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.


10mueller 38 · July 10, 2021

Serial Number 308688 was reported as accurate.

Anonymous · August 2, 2019

Serial Number 308528 was reported as accurate.

Anonymous · April 11, 2019

Serial Number 308463 was reported as accurate.

dfchong 837 · March 26, 2019

Serial Number 308522 was reported as accurate.

733harry 33 · November 6, 2017

Serial Number 308085 was reported as accurate.

Anonymous · August 20, 2017

Serial Number 308278 was reported as inaccurate.

Note: According to the Hamilton ledgers this was
finished on 5/20/1904
https://nawcc.org/images/stories/Hamilton/LedgerP
ages/300001-400000/308201-308251.pdf
Curator Response: Thanks for the report. "To Finishing Department" (Dec 10, 1903) and "Date Finished" will be different. The dated ledgers for individual serial numbers have not been transcribed yet.

Anonymous · July 18, 2017

Serial Number 308278 was reported as accurate.

Gimparoo Supporter 703 · June 20, 2017

Serial Number 308279 was reported as accurate.

Anonymous · May 9, 2017

Serial Number 308478 was reported as accurate.

fordcasa Top Contributor Supporter 434 · August 11, 2015

Serial Number 308359 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from Yes to No

Bluejay 179 · July 19, 2015

Serial Number 308663 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from Yes to No

thomase 42 · March 25, 2015

Serial Number 308600 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from Yes to No

Anonymous · October 26, 2014

Serial Number 308600 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from Yes to No

Anonymous · October 22, 2014

Serial Number 308600 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from Yes to No

Anonymous · October 22, 2014

Serial Number 308600 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from Yes to No

Anonymous · July 4, 2014

Serial Number 308547 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from Yes to No

Anonymous · January 8, 2014

Serial Number 308362 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from Yes to No

Anonymous · September 2, 2013

Serial Number 308234 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from Yes to No

Anonymous · August 31, 2013

Serial Number 308227 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from Yes to No

milgauss 24 · June 15, 2013

Serial Number 308370 was reported as accurate.

Anonymous · March 24, 2013

Serial Number 308547 was reported as accurate.

Anonymous · March 15, 2013

Serial Number 308547 was reported as accurate.

Anonymous · March 11, 2013

Serial Number 308547 was reported as accurate.

Anonymous · August 10, 2012

Serial Number 308298 was reported as accurate.

Hamilton Grade 990 Pocket Watch