Pocket Watch Database

From the American Horology Archive:
Hamilton Grade 975 Pocket Watch

Hamilton Watch Co.

Grade: 975

Manufacturer: Hamilton
Manufacturer Location: Lancaster, Pennsylvania
Movement Serial Number: 307900
Grade: 975
Model: 1
Class: 5
Estimated Production Year: 1903
Run Quantity: 200
Grade/Model Run: 32 of 123
Grade/Model Total Production: 80,179
Size: 16s
Jewels: 17j
Jewel Setting: Screw-Set
Movement Configuration: Hunting
Movement Finish: Nickel
Movement Setting: Lever or Pendant
Plate: 3/4 Plate
Barrel: Going
Regulator: Reed
Hairspring: Breguet
Adjusted: Yes
Adjusted to Position: No
Adjusted to Temperature: Yes
Railroad Grade: No
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: 679.975G32.16S231.161M202.H312.[49.17J414
Database Version: v52.249
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
241.40
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
105.92
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.752%
Registry Population: 1 (0.50%)
$ Estimated Value (12 Month Change): 4.20% Analyzing 608 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.


Anonymous · July 18, 2016

Serial Number 307785 was reported as inaccurate.

Note: Mark 17 jewels
Changes since this report was submitted:
Grade changed from 992 to 975
Jewels changed from 21j to 17j
Movement Configuration changed from Openface to Hunting
Railroad Grade changed from Yes to No

Anonymous · January 13, 2014

Serial Number 307900 was reported as accurate.

Changes since this report was submitted:
Grade changed from 992 to 975
Jewels changed from 21j to 17j
Movement Configuration changed from Openface to Hunting
Railroad Grade changed from Yes to No

Anonymous · January 13, 2014

Serial Number 307900 was reported as accurate.

Changes since this report was submitted:
Grade changed from 992 to 975
Jewels changed from 21j to 17j
Movement Configuration changed from Openface to Hunting
Railroad Grade changed from Yes to No

Anonymous · April 1, 2013

Serial Number 307817 was reported as inaccurate.

Note: 16 size 975 hunter movement
Changes since this report was submitted:
Grade changed from 992 to 975
Jewels changed from 21j to 17j
Movement Configuration changed from Openface to Hunting
Factory Model changed from 18 to 1
Movement Setting changed from Lever to Lever or Pendant
Railroad Grade changed from Yes to No

Anonymous · November 26, 2012

Serial Number 307747 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 2 to 1
Movement Setting changed from Lever to Lever or Pendant

Anonymous · November 26, 2012

Serial Number 307747 was reported as inaccurate.

Note: movement # 307747 is a signed 21 jewel 992.
Changes since this report was submitted:
Factory Model changed from 2 to 1
Movement Setting changed from Lever to Lever or Pendant
Plate changed from Unknown to 3/4
Hamilton Grade 975 Pocket Watch