Rockford Pocket Watch: Serial Number 535226 (Grade 900)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/rockford/535226

Access Date: December 18, 2024

From the American Horology Archive:

Rockford Watch Co.

Grade: 900

Manufacturer:	Rockford
Manufacturer Location:	Rockford, Illinois
Movement Serial Number:	535226
Grade:	900
Model:	9
Estimated Production Year:	1899
Run Quantity:	200
Grade/Model Run:	2 of 4
Grade/Model Total Production:	1,000
Size:	18s
Jewels:	24j
Jewel Material:	Ruby & Sapphire
Jewel Setting:	Gold Settings (Screw-Set)
Movement Configuration:	Openface
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
Case:	Various
Run ID:	692.900G3.18S625.189M43.O228.L554.24J4
Data Research:	1907 Rockford Serial List
Database Version:	v52.515
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	3.01
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	30.75
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	0.156%
Registry Population: Scoped for This Run Only	13 (6.50%)

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Production Metrics Tree: Grade 900

Target Profile: 18S-M9-24J-ONL-A5PTI

Rockford Grade 900 (All Variations): 1,100 ETP
18S: 1,100 100.00% 18s, Grade 900
18S-M9: 1,000 90.91% 18s, Grade 900, Model 9	Other: 100 Other Models or Unclassified
18S-M9-24J: 1,000 90.91% 18s, Grade 900, Model 9, 24 Jewels
18S-M9-24J-ONL: 1,000 90.91% 18s, Grade 900, Model 9, 24 Jewels, Openface/Lever/Nickel
18S-M9-24J-ONL-A5PTI: 1,000 90.91%

Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
There are 13 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.