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From the American Horology Archive:
Hamilton Watch Co.

Grade: 944

Variant A

Private Label(s) in Run:
  • Klune & Floberg - Sacramento, Cal.
  • Thomas Fitzgerald

What is a Private Label?
Manufacturer: Hamilton ?
Manufacturer Location: Lancaster, Pennsylvania ?
Movement Serial Number: 479529 ?
Grade: 944 ?
Model: 1 ?
Estimated Production Year: 1907 ?
Run Quantity: 1,000 ?
Grade/Model Run: 11 of 14 ?
Grade/Model Total Production: 6,590 ?
Size: 18s ?
Jewels: 19j ?
Jewel Material: Ruby ?
Jewel Setting: Screw-Set ?
Movement Configuration: Openface ?
Movement Finish: Nickel ?
Movement Setting: Lever ?
Plate: Full Plate ?
Barrel: Motor ?
Regulator: Goldthwait ?
Hairspring: Breguet ?
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: 2.6, 18.0, 38.2 ?
Case: Various ?
Run ID: 973.944G11.18S522.181M309.O559.L609.19J12 ?
Data Research: 1953 Hamilton Serial List ?
Database Version: v52.978 ?
Advanced Metrics
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Registry Population: Scoped for This Run Only: 26 (2.60%) ?
$ Estimated Value (12 Month Change): -15.44% Analyzing 126 Sales ?
Research Note: #479505: Verified as Private Label Marked for "Klune & Floberg; Sacramento, Cal." [NAWCC]