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 Question Mark
Manufacturer Location: Elgin, Illinois Question Mark
Movement Serial Number: 7875611 Question Mark
Grade: 150 Question Mark
Model: 5 Question Mark
Class: 7 Question Mark
Estimated Production Year: 1899 Question Mark
Run Quantity: 269 Question Mark
Grade/Model Run: 7 of 23 Question Mark
Grade/Model Total Production: 7,820 Question Mark
Variant Est. Production: 6,820 (18S-M5-21J) Question Mark
Size: 18s Question Mark
Jewels: 21j Question Mark
Jewel Material: Ruby Question Mark
Jewel Setting: Gold Settings (Screw-Set) Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Inlay Color: Gilt Question Mark
Movement Setting: Pendant    Mixed Run Question Mark
Plate: Full Plate Question Mark
Barrel: Going Question Mark
Train: Quick Question Mark
Regulator: Moseley Question Mark
Hairspring: Breguet Question Mark
Standard Dial Type: Double-Sunk Question Mark
Adjusted: Yes Question Mark
Adjusted to Position: Yes Question Mark
Adjusted # of Positions: 5 Question Mark
Adjusted to Temperature: Yes Question Mark
Adjusted to Isochronism: Yes Question Mark
Adjustment Tolerance: [14] 3P +/- 10 s/24hrs., Temp. +/- 4 s/16hrs., Reg. +/- 0-2 s/24hrs. Question Mark
Railroad Grade: Yes Question Mark
Railroad Grade Classification: Class C Question Mark
U.S. Patents: 77078, 347272, 345619 Question Mark
Case: Various Question Mark
Run ID: 3106.150G7.18S1666.185M517.O726.P1262.21J29 Question Mark
Data Research: 1904 Elgin Serial List
1915 Elgin Serial List
1927/1950 Elgin Serial List
Question Mark
Database Version: v52.518 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
23.54 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
9.04 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.015% Question Mark
Registry Population:
Scoped for This Run Only
3 (1.12%) Question Mark
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