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: 370651
Grade: 990
Model: 1
Estimated Production Year: 1906
Run Quantity: 300
Grade/Model Run: 15 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
Case: Various
Run ID: 835.990G15.16S386.161M352.O440.L484.21J195
Data Research: 1953 Hamilton Serial List
Database Version: v52.387
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:
Scoped for This Run Only
4 (1.33%)
$ Estimated Value (12 Month Change): 3.85% Analyzing 201 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.


SleepyDoggieDog 42 · July 5, 2024

Serial Number 370651 was reported as accurate.

KyleHampden 12 · January 26, 2022

Serial Number 370746 was reported as accurate.

Anonymous · February 19, 2018

Serial Number 370767 was reported as accurate.

Anonymous · March 25, 2016

Serial Number 370737 was reported as accurate.

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

Anonymous · May 23, 2015

Serial Number 370577 was reported as accurate.

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

Anonymous · December 23, 2013

Serial Number 370783 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from Yes to No
Hamilton Grade 990 Pocket Watch