Rockford Pocket Watch: Serial Number 623062 (Grade 200)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/rockford/623062

Access Date: February 11, 2025

From the American Horology Archive:

Rockford Watch Co.

Grade: 200

Winnebago

Private Label(s) in Run:

John P. Hess - Fond Du Lac, Wis.

What is a Private Label?

Manufacturer:	Rockford
Manufacturer Location:	Rockford, Illinois
Movement Serial Number:	623062
Grade:	200
Model:	10
Estimated Production Year:	1903
Run Quantity:	100
Grade/Model Run:	1 of 2
Grade/Model Total Production:	400
Size:	18s
Jewels:	17j
Jewel Material:	Ruby & Sapphire
Jewel Setting:	Screw-Set
Movement Configuration:	Hunting
Movement Finish:	Nickel
Movement Inlay Color:	Gilt
Movement Setting:	Lever
Plate:	Full Plate
Double Roller:	Yes
Regulator:	Type 7
Hairspring:	Breguet
Escapement Type:	Straight-line
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
Railroad Grade:	Yes
Movement Markings:	Rockford Watch Co. U.S.A. Winnebago RG 17 Jewels Adjusted Double Roller
Case:	Various
Run ID:	891.200G1.18S684.1810M75.H436.L698.17J290
Data Research:	1907 Rockford Serial List
Database Version:	v52.608
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	1.20
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	12.28
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	0.062%
Registry Population: Scoped for This Run Only	4 (4.00%)

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Production Metrics Tree: Grade 200

Target Profile: 18S-M10-17J-HNL-A5PTI

Rockford Grade 200 (All Variations): 400 ETP

18S: 400 100.00%
18s, Grade 200

18S-M10: 400 100.00%
18s, Grade 200, Model 10

18S-M10-17J: 400 100.00%
18s, Grade 200, Model 10, 17 Jewels

18S-M10-17J-HNL: 400 100.00%
18s, Grade 200, Model 10, 17 Jewels, Hunting/Lever/Nickel

18S-M10-17J-HNL-A5PTI: 400 100.00%

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 2 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.