Rockford Pocket Watch: Serial Number 415772 (Grade 82)

Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/rockford/415772

Access Date: May 01, 2024

From the American Horology Archive:

Rockford Watch Co.

Grade: 82

Manufacturer:	Rockford
Manufacturer Location:	Rockford, Illinois
Movement Serial Number:	415772
Grade:	82
Model:	8
Estimated Production Year:	1893
Run Quantity:	400
Grade/Model Run:	1 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 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 Adjusted
Data Research:	1907 Rockford Serial List
Case:	Various
Run ID:	452.82G1.18S388.188M106.H248.L315.17J11
Database Version:	v52.246
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:	4 (1.00%)

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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 4 watches in the population registry for this run with 1 image. 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.