Pocket Watch Database

From the American Horology Archive:
Elgin Grade 150 Pocket Watch

Elgin National Watch Co.

Grade: 150

Mixed Run: Pendant-Set and Lever-Set Movement (See Notes)

Manufacturer: Elgin
Manufacturer Location: Elgin, Illinois
Movement Serial Number: 7875615
Grade: 150
Model: 5
Class: 7
Estimated Production Year: 1899
Run Quantity: 269
Grade/Model Run: 7 of 23
Grade/Model Total Production: 7,820
Variant Est. Production: 6,820 (18S-M5-21J)
Size: 18s
Jewels: 21j
Jewel Material: Ruby
Jewel Setting: Gold Settings (Screw-Set)
Movement Configuration: Openface
Movement Finish: Nickel
Movement Inlay Color: Gilt
Movement Setting: Pendant    Mixed Run
Plate: Full Plate
Barrel: Going
Train: Quick
Regulator: Moseley
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
Adjustment Tolerance: [14] 3P +/- 10 s/24hrs., Temp. +/- 4 s/16hrs., Reg. +/- 0-2 s/24hrs.
Railroad Grade: Yes
Railroad Grade Classification: Class C
U.S. Patents: 77078, 347272, 345619
Data Research: 1904 Elgin Serial List
1915 Elgin Serial List
1927/1950 Elgin Serial List
Case: Various
Run ID: 3105.150G7.18S1665.185M517.O726.P1262.21J28
Database Version: v52.219
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
23.41
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
9.04
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.015%
Registry Population: 3 (1.12%)
Research Note: Run 7875001-7876000 started as Grade 150 (Pendant-Set). According to the master records, several movements were changed from Pendant-Set to Lever-Set (Grade 277). These are dispersed throughout the original range. #7875793: Verified as Lever-Set.

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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 · May 19, 2019

Serial Number 7875793 was reported as inaccurate.

Note: Lever set rather than pendant
Curator Response: Verified as Lever-Set [eBay #113754148966].

Anonymous · August 9, 2015

Serial Number 7875555 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Lever to Pendant

timerestored 278 · September 11, 2014

Serial Number 7875722 was reported as inaccurate.

Note: Movement Set- Lever Set

Anonymous · August 19, 2014

Serial Number 7875722 was reported as accurate.

Elgin Grade 150 Pocket Watch