Rockford Pocket Watch: Serial Number 405893 (Grade 83)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/rockford/405893/link

Access Date: November 23, 2024

From the American Horology Archive:

Rockford Watch Co.

Grade: 83

Manufacturer:	Rockford
Manufacturer Location:	Rockford, Illinois
Movement Serial Number:	405893
Grade:	83
Model:	8
Estimated Production Year:	1892
Run Quantity:	500
Grade/Model Run:	23 of 32
Grade/Model Total Production:	21,100
Variant Est. Production:	20,400 (18S-M8-15J-HNL)
Size:	18s
Jewels:	15j
Jewel Setting:	Screw-Set
Movement Configuration:	Hunting
Movement Finish:	Nickel
Movement Inlay Color:	Black
Movement Setting:	Lever
Plate:	Full Plate
Regulator:	Micrometric
Hairspring:	Breguet
Escapement Type:	Straight-line
Adjusted:	Mixed
Movement Markings:	R.W.Co. Rockford Ill.
Case:	Various
Run ID:	434.83G23.18S370.188M93.H236.L297.15J179
Data Research:	1907 Rockford Serial List
Database Version:	v52.452
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	63.52
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	649.40
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	3.286%
Registry Population: Scoped for This Run Only	5 (1.00%)
$ Estimated Value (12 Month Change):	5.30% Analyzing 107 Sales
Research Note: Rockford serial lists designate this run as Grade 83. However, #405531 has been verified as marked "17 J" and "Adjusted," inconsistent with other standard Grade 83 movements and is more consistent with the Grade 82 designation. Rockford offered the Grade 83 with an optional factory adjustment, described as the Grade "83x" in original advertisements.

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Production Metrics Tree: Grade 83

Target Profile: 18S-M8-15J-HNL-U/A

Rockford Grade 83 (All Variations): 21,100 ETP
18S: 21,100 100.00% 18s, Grade 83
18S-M8: 21,100 100.00% 18s, Grade 83, Model 8
18S-M8-15J: 20,600 97.63% 18s, Grade 83, Model 8, 15 Jewels		Other: 500 Other Jewels or Unclassified
18S-M8-15J-HNL: 20,400 96.68% 18s, Grade 83, Model 8, 15 Jewels, Hunting/Lever/Nickel	Other: 200 Other Configs or Unclassified
18S-M8-15J-HNL-U/A: 20,400 96.68%

Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
There are 5 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.