Rockford Pocket Watch: Serial Number 542184 (Grade 800)

Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/rockford/542184

Access Date: April 26, 2024

From the American Horology Archive:

Rockford Watch Co.

Grade: 800

Manufacturer:	Rockford
Manufacturer Location:	Rockford, Illinois
Movement Serial Number:	542184
Grade:	800
Model:	10
Estimated Production Year:	1899
Run Quantity:	300
Grade/Model Run:	3 of 3
Grade/Model Total Production:	500
Size:	18s
Jewels:	24j
Jewel Material:	Ruby & Sapphire
Jewel Setting:	Gold Settings (Screw-Set)
Movement Configuration:	Hunting
Movement Finish:	Nickel
Finish Pattern:	Scale
Movement Signing Style:	Block Letter
Movement Inlay Color:	Gilt
Movement Setting:	Lever
Plate:	Full Plate
Double Roller:	Yes
Regulator:	Reed
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. 800 24 Jewels 5 Positions Double Roller Adjusted
Data Research:	1907 Rockford Serial List
Case:	Various
Run ID:	705.800G3.18S638.1810M57.H351.L567.24J6
Database Version:	v52.245
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	1.50
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	15.36
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	0.078%
Registry Population:	7 (2.33%)

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Production Metrics Tree: Grade 800

Target Profile: 18S-M10-24J-HNL-A5PTI

Rockford Grade 800 (All Variations): 500 ETP

18S: 500 100.00%
18s, Grade 800

18S-M10: 500 100.00%
18s, Grade 800, Model 10

18S-M10-24J: 500 100.00%
18s, Grade 800, Model 10, 24 Jewels

18S-M10-24J-HNL: 500 100.00%
18s, Grade 800, Model 10, 24 Jewels, Hunting/Lever/Nickel

18S-M10-24J-HNL-A5PTI: 500 100.00%

Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
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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.