Rockford Pocket Watch: Serial Number 439606 (Grade 82a)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/rockford/439606/movement

Access Date: December 13, 2024

From the American Horology Archive:

Rockford Watch Co.

Grade: 82a

Private Label(s) in Run:

Wathier Special Railway Chonometer

Wilbur Lamphear & Tryner - Galesburg, Ill.

Wade's Special

What is a Private Label?

Manufacturer:	Rockford
Manufacturer Location:	Rockford, Illinois
Movement Serial Number:	439606
Grade:	82a
Model:	8
Estimated Production Year:	1894
Run Quantity:	100
Grade/Model Run:	2 of 2
Grade/Model Total Production:	140
Size:	18s
Jewels:	17j
Movement Configuration:	Hunting
Movement Finish:	Nickel
Movement Setting:	Lever
Plate:	Full Plate
Regulator:	Micrometric
Hairspring:	Breguet
Escapement Type:	Straight-line
Adjusted:	Yes
Case:	Various
Run ID:	503.G2.18S436.188M133.H279.L366.17J27
Data Research:	1907 Rockford Serial List
Database Version:	v52.508
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	0.42
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	4.28
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	0.022%
Registry Population: Scoped for This Run Only	5 (5.00%)

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Production Metrics Tree: Grade 82a

Target Profile: 18S-M8-17J-HNL-A

Rockford Grade 82a (All Variations): 140 ETP

18S: 140 100.00%
18s, Grade 82a

18S-M8: 140 100.00%
18s, Grade 82a, Model 8

18S-M8-17J: 140 100.00%
18s, Grade 82a, Model 8, 17 Jewels

18S-M8-17J-HNL: 140 100.00%
18s, Grade 82a, Model 8, 17 Jewels, Hunting/Lever/Nickel

18S-M8-17J-HNL-A: 140 100.00%

Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
There are 5 watches in the population registry for this run with 4 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.