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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/elgin/21098028/movement
https://pocketwatchdatabase.com/search/result/elgin/21098028/movement
Access Date: November 26, 2024
From the American Horology Archive:
Elgin National Watch Co.
Grade: 367
Father Time
| Manufacturer: | Elgin |  |
| Manufacturer Location: | Elgin, Illinois | |
| Movement Serial Number: | 21098028 | |
| Grade: | 367 | |
| Variation: | Father Time - Free Sprung - WI | |
| Model: | 8 | |
| Generation: | Second | |
| Class: | 90 | |
| Estimated Production Year: | 1919 | |
| Run Quantity: | 300 | |
| Grade/Model Run: | 9 of 13 | |
| Grade/Model Total Production: | 10,300 | |
| Variant Est. Production: | 2,300 (18S-M8-21J-ONL-A5PTI-FATHER TIME ) | |
| Grade/Model Unrealized Production: | 2,700 | |
| Size: | 18s | |
| Jewels: | 21j | |
| Jewel Material: | Ruby, Sapphire & Diamond | |
| Jewel Setting: | Gold Settings (Screw-Set) | |
| Movement Configuration: | Openface | |
| Movement Finish: | Nickel | |
| Movement Signing Style: | Old English | |
| Movement Inlay Color: | Gilt | |
| Movement Setting: | Lever | |
| Plate: | 3/4 Plate | |
| Double Roller: | Yes | |
| Barrel: | Safety | |
| Balance Jewel Material: | Diamond | |
| Train: | Quick | |
| Regulator: | Free-sprung | |
| Hairspring: | Breguet | |
| Pallet Jewel Material: | Sapphire | |
| 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: | [10] 5P +/- 10 s/24hrs., Temp. +/- 3 s/16hrs., Reg. +/- 0-2 s/24hrs. | |
| Railroad Grade: | Yes | |
| Railroad Grade Classification: | Class A | |
| Wind Indicator Available: | Yes | |
| Wind Indicator Present: | Yes | |
| U.S. Patents: | 77078, 596407, 596408 | |
| Movement Markings: | Elgin Nat'l Watch Co. U.S.A. Father Time Elgin, Ill. U.S.A. 21 Jewels Adjusted 5 Positions Safety Barrel |
|
| Case: | Various | |
| Run ID: | 10558.367G9.18S3460.188M139.O4354.L2196.21J260 | |
| Data Research: |
1927/1950 Elgin Serial List |
|
| Database Version: | v52.462 | |
| Advanced Metrics | ||
| PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 31.01 | |
| PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 11.93 | |
| Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 0.020% | |
| Registry Population: Scoped for This Run Only | 4 (1.33%) | |
|
Research Note: #21098135: Verified as Free-sprung with Wind Indicator (Deck Watch). #21098028: Verified as Free-sprung with Wind Indicator (Deck Watch). Data analysis indicates this run was terminated prior to full production at the factory and has been adjusted accordingly for the database. Please refer to factory serial lists for information regarding the original run.
#21098139: Reported as Free-Sprung. |
||
Production Metrics Tree: Grade 367
Target Profile: 18S-M8-21J-ONL-A5PTI-FATHER TIME - FREE SPRUNG - WI
| Elgin Grade 367 (All Variations): 10,300 ETP | |
| 18S: 10,300 100.00% 18s, Grade 367 |
|
| 18S-M8: 10,300 100.00% 18s, Grade 367, Model 8 |
|
| 18S-M8-21J: 10,300 100.00% 18s, Grade 367, Model 8, 21 Jewels |
|
| 18S-M8-21J-ONL: 10,300 100.00% 18s, Grade 367, Model 8, 21 Jewels, Openface/Lever/Nickel |
|
| 18S-M8-21J-ONL-A5PTI: 10,300 100.00% | |
| 18S-M8-21J-ONL-A5PTI-FATHER TIME : 2,300 22.33% | Other: 8,000
Other Variants or Unclassified |
| NOTE: 13,000 Units Originally Reserved with Est. 2,700 Never Manufactured | |
Population Registry for This Run
| Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
|---|---|---|---|---|---|
|
There are 4 watches in the population registry for this run with 1 image.
|
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Help Us Help Others By Improving the Database:
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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.
pmtime Supporter 612 · June 12, 2023
Serial Number 21098139 was reported as inaccurate.
Note: Listed information is correct, just confirming
that this number has the free sprung regulator
with a wind indicator.
that this number has the free sprung regulator
with a wind indicator.
Curator Response: Thanks for the report. This information has been noted in the research notes for this run.
dcooper Supporter 230 · December 16, 2020
Serial Number 21098028 was reported as inaccurate.
Note: 21098028 is free sprung
eparso 59 · July 14, 2013
Serial Number 21098266 was reported as inaccurate.
Note: wind indicator present
Changes since this report was submitted:
Railroad Grade changed from No to Yes
