Pocket Watch Database


From the American Horology Archive:
Elgin Grade 345 Pocket Watch

Elgin National Watch Co.

Grade: 345

Transit

Private Label(s) in Run:

Transit

What is a Private Label?
Manufacturer: Elgin Question Mark
Manufacturer Location: Elgin, Illinois Question Mark
Movement Serial Number: 18182075 Question Mark
Grade: 345 Question Mark
Variation: Transit Question Mark
Model: 3 Question Mark
Class: 114 Question Mark
Estimated Production Year: 1915 Question Mark
Run Quantity: 1,000 Question Mark
Grade/Model Run: 49 of 205 Question Mark
Grade/Model Total Production: 740,900 Question Mark
Variant Est. Production: 3,000 (12S-M3-17J-OTP) Question Mark
Size: 12s Question Mark
Jewels: 17j Question Mark
Jewel Material: Ruby & Sapphire Question Mark
Jewel Setting: Screw-Set Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Two-Tone Question Mark
Movement Setting: Pendant Question Mark
Plate: 3/4 Plate Question Mark
Double Roller: Yes Question Mark
Barrel: Going Question Mark
Balance Type: Expansion Question Mark
Balance Jewel Material: Ruby Question Mark
Train: Quick Question Mark
Regulator: Moseley Question Mark
Hairspring: Breguet Question Mark
Standard Dial Type: Single-Sunk Question Mark
Adjusted: Yes Question Mark
Adjusted # of Positions: 4 Question Mark
Adjusted to Temperature: No Question Mark
Railroad Grade: No Question Mark
U.S. Patents: 596407, 77078, 585025 Question Mark
Case: Various Question Mark
Run ID: 9084.345G49.12S1154.123M533.O3498.P6358.17J1268 Question Mark
Data Research: 1915 Elgin Serial List
1927/1950 Elgin Serial List
Question Mark
Database Version: v52.505 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
2,230.68 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
861.95 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
1.464% Question Mark
Registry Population:
Scoped for This Run Only
6 (0.60%) Question Mark
$ Estimated Value (12 Month Change): 9.21% Analyzing 2,542 Sales Question Mark
Research Note: Some researchers classify this run as an arbitrary unofficial grade "997" for research purposes. "997" is not a factory grade designation. This run is classified as Grade "345" in all company serial lists.

Help Us Help Others By Improving the Database:

Does this information describe your movement accurately?

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 · February 19, 2022

Serial Number 18182867 was reported as accurate.

JerryT Waltham Expert Small Watch Expert 425 · August 16, 2021

Serial Number 18182332 was reported as accurate.

haskell 53 · January 26, 2015

Serial Number 18182326 was reported as accurate.

Changes since this report was submitted:
Grade changed from 997 to 345

haskell 53 · January 13, 2015

Serial Number 18182351 was reported as inaccurate.

Note: The grade is 997. 2 tone demaskeening only
produced for 1 year 1915. marked TRANSIT. there
were only 1000 made in grade 997.
Curator Response: Grade 997 is not a factory designation. In factory documentation, this run is designated as grade 345. Some lookup sites use the Grade 997 classification to facilitate grouping of the two-tone movements, but they are officially Grade 345.
Changes since this report was submitted:
Movement Finish changed from Nickel to Two-Tone

Anonymous · December 20, 2014

Serial Number 18182835 was reported as inaccurate.

Note: It is marked transit. and is 2 tone and adjusted
to 4 positions.
Changes since this report was submitted:
Movement Finish changed from Nickel to Two-Tone
Adjusted changed from No to Yes

Anonymous · May 27, 2013

Serial Number 18182326 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Two-Tone
Adjusted changed from No to Yes

Anonymous · May 6, 2013

Serial Number 18182326 was reported as inaccurate.

Note: Engraved in movement: Adjusted to 4 positions.
Changes since this report was submitted:
Movement Finish changed from Nickel to Two-Tone
Adjusted changed from No to Yes
Elgin Grade 345 Pocket Watch