Rockford Pocket Watch: Serial Number 433467 (Grade 82)

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Rockford 15J 18s Antique 1894 Pocket Watch Heavy Nickel Case Runs

Check Price Source: eBay.com

Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/rockford/433467

Access Date: October 31, 2024

From the American Horology Archive:

Rockford Watch Co.

Grade: 82

Manufacturer:	Rockford
Manufacturer Location:	Rockford, Illinois
Movement Serial Number:	433467
Grade:	82
Model:	8
Estimated Production Year:	1894
Run Quantity:	100
Grade/Model Run:	4 of 8
Grade/Model Total Production:	3,510
Variant Est. Production:	2,450 (18S-M8-17J-HNL)
Size:	18s
Jewels:	17j
Jewel Setting:	Screw-Set
Movement Configuration:	Hunting
Movement Finish:	Nickel
Finish Pattern:	Finely Damaskeened
Movement Signing Style:	Serif (Decorative)
Movement Inlay Color:	Black
Movement Setting:	Lever
Plate:	Full Plate
Regulator:	Rockford Spring
Hairspring:	Breguet
Standard Dial Type:	Single-Sunk
Adjusted:	Yes
Adjusted to Position:	Yes
Adjusted to Temperature:	Yes
Adjusted to Isochronism:	Yes
Movement Markings:	R.W.Co. Rockford Ill. 17 J Special Adjusted
Case:	Various
Run ID:	479.82G4.18S412.188M119.H265.L342.17J17
Data Research:	1907 Rockford Serial List
Database Version:	v52.428
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	10.56
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	108.00
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	0.547%
Registry Population: Scoped for This Run Only	3 (3.00%)

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Production Metrics Tree: Grade 82

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

Rockford Grade 82 (All Variations): 3,510 ETP
18S: 3,510 100.00% 18s, Grade 82
18S-M8: 3,510 100.00% 18s, Grade 82, Model 8
18S-M8-17J: 3,250 92.59% 18s, Grade 82, Model 8, 17 Jewels		Other: 260 Other Jewels or Unclassified
18S-M8-17J-HNL: 2,450 69.80% 18s, Grade 82, Model 8, 17 Jewels, Hunting/Lever/Nickel	Other: 800 Other Configs or Unclassified
18S-M8-17J-HNL-APTI: 2,450 69.80%

Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
There are 3 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.

oilseed Supporter 471 · January 18, 2018

Serial Number 433420 was reported as inaccurate.

Note: Regulator, "Rockford Spring" , see item #
391961385833 Fancy engraving on plates. not
sure what this style is called. Also the word
"ADJUSTED" engraved on Barrel plate.
but not sure 'what' adjustments were tested and
it what positions.

Curator Response: Thanks for the report. The 1896 A.C. Becken catalog describes Grade 82 as being adjusted to "heat, cold, and position." I have updated the database accordingly.