Pocket Watch Database
https://pocketwatchdatabase.com/search/result/rockford/279878/movement
Access Date: December 23, 2024
From the American Horology Archive:
Rockford Watch Co.
Grade: 86
Mixed Run: Adjusted and Unadjusted Movements
Manufacturer: | Rockford | |
Manufacturer Location: | Rockford, Illinois | |
Movement Serial Number: | 279878 | |
Grade: | 86 | |
Variation: | LS/LP | |
Model: | 7 | |
Estimated Production Year: | 1888 | |
Run Quantity: | 800 | |
Grade/Model Run: | 3 of 19 | |
Grade/Model Total Production: | 9,550 | |
Variant Est. Production: | 2,300 (18S-M7-15J-ONL-U/A-LS/LP) | |
Size: | 18s | |
Jewels: | 15j | |
Jewel Setting: | Screw-Set | |
Movement Configuration: | Openface | |
Movement Finish: | Nickel | |
Movement Signing Style: | Old English | |
Movement Inlay Color: | Black | |
Movement Setting: | Lever | |
Plate: | Full Plate | |
Regulator: | Type 5 | |
Hairspring: | Breguet | |
Escapement Type: | Straight-line | |
Standard Dial Type: | Single-Sunk | |
Adjusted: | Mixed | |
Movement Markings: | R.W.Co. Rockford Ill. |
|
Case: | Various | |
Run ID: | 250.86G3.18S248.187M14.O26.L113.15J89 | |
Data Research: |
1907 Rockford Serial List |
|
Database Version: | v52.518 | |
Advanced Metrics | ||
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 28.75 | |
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 293.91 | |
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 1.487% | |
Registry Population: Scoped for This Run Only | 10 (1.25%) | |
Research Note: #279463: Verified as Marked "Adjusted." #279672 and #279450: Verified as not marked as being adjusted.
|
Production Metrics Tree: Grade 86
Target Profile: 18S-M7-15J-ONL-U/A-LS/LP
Rockford Grade 86 (All Variations): 9,550 ETP | |
18S: 9,550 100.00% 18s, Grade 86 |
|
18S-M7: 9,550 100.00% 18s, Grade 86, Model 7 |
|
18S-M7-15J: 9,550 100.00% 18s, Grade 86, Model 7, 15 Jewels |
|
18S-M7-15J-ONL: 9,550 100.00% 18s, Grade 86, Model 7, 15 Jewels, Openface/Lever/Nickel |
|
18S-M7-15J-ONL-U/A: 9,550 100.00% | |
18S-M7-15J-ONL-U/A-LS/LP: 2,300 24.08% | Other: 7,250
Other Variants or Unclassified |
Population Registry for This Run
Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
---|---|---|---|---|---|
There are 10 watches in the population registry for this run with 3 images.
|
Help Us Help Others By Improving the Database:
Does this information describe your movement accurately?
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.
MoatsJustin1 top-contributor 5272 · November 7, 2023
Serial Number 279992 was reported as accurate.
okiejohn 397 · June 15, 2020
Serial Number 279450 was reported as accurate.
Radron 109 · May 23, 2020
Serial Number 279773 was reported as accurate.
oilseed Supporter 471 · February 7, 2018
Serial Number 279488 was reported as inaccurate.
be 15 jewels (as noted).
Flyskippy1 29 · February 2, 2014
Serial Number 279328 was reported as accurate.
hoopibabs 42 · December 2, 2013
Serial Number 279911 was reported as accurate.
Anonymous · May 7, 2013
Serial Number 279393 was reported as inaccurate.
rotated clockwise 150 deg. and hairspring stud
located in an
area between the balance je
wel and the balance screw. There is a screw
adjustment on the regulator.
from acticle on NAWCC site:
http://www.nawcc-ch149.com/db_resch/Rockford%20Re
view.pdf
page 7 and 8.
-
From This Run
Image Source/Credit: eBay Auction
-
From This Run
uploaded by spasieta
-
From This Run
uploaded by okiejohn
-
uploaded by 4mula1fan
-
uploaded by okiejohn
-
uploaded by Mogman50
-
uploaded by Rockfordguy
-
uploaded by tsullivan
-
uploaded by CotsRaymond
-
uploaded by cbzimm