Elgin Pocket Watch: Serial Number 15540402 (Grade 367)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/elgin/15540402

Access Date: November 06, 2024

From the American Horology Archive:

Elgin National Watch Co.

Grade: 367

Father Time

Manufacturer:	Elgin
Manufacturer Location:	Elgin, Illinois
Movement Serial Number:	15540402
Grade:	367
Variation:	Father Time
Model:	8
Generation:	Second
Class:	90
Estimated Production Year:	1911
Run Quantity:	1,000
Grade/Model Run:	8 of 13
Grade/Model Total Production:	10,300
Variant Est. Production:	8,000 (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 Inlay Color:	Gilt
Movement Setting:	Lever
Plate:	3/4 Plate
Double Roller:	Yes
Barrel:	Safety
Balance Jewel Material:	Diamond
Train:	Quick
Regulator:	Traveling Nut (spring)
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:	Mixed
U.S. Patents:	77078, 596407, 596408
Case:	Various
Run ID:	7272.367G8.18S3051.188M113.O2587.L2019.21J188
Data Research:	1915 Elgin Serial List 1927/1950 Elgin Serial List
Database Version:	v52.428
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	22 (2.20%)
Research Note: Some movements from this run are free-sprung.

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Production Metrics Tree: Grade 367

Target Profile: 18S-M8-21J-ONL-A5PTI-FATHER TIME

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: 8,000 77.67%	Other: 2,300 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 22 watches in the population registry for this run with 3 images. Create a FREE account or login to view the population registry and add your watch to the registry. Create a Free Account

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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.