Pocket Watch Database

From the American Horology Archive:
Rockford Grade 405 Pocket Watch

Rockford Watch Co.

Grade: 405

Winnebago

Manufacturer: Rockford
Manufacturer Location: Rockford, Illinois
Movement Serial Number: 726555
Grade: 405
Model: 5
Estimated Production Year: 1907
Run Quantity: 1,000
Grade/Model Run: 3 of 6
Grade/Model Total Production: 4,700
Size: 16s
Jewels: 17j
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Lever
Plate: 3/4 Plate
Double Roller: Yes
Center Wheel Material: Gold
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
Data Research: 1907 Rockford Serial List
Case: Various
Run ID: 1050.405G3.16S254.165M40.O398.L765.17J355
Database Version: v52.219
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
14.07
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
144.63
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.732%
Registry Population: 24 (2.40%)

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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.


Anonymous · February 24, 2024

Serial Number 726028 was reported as accurate.

Anonymous · December 18, 2023

Serial Number 726028 was reported as accurate.

pmtime Supporter 400 · October 5, 2023

Serial Number 726368 was reported as inaccurate.

Note: This is a 3-finger bridge movement. All other
listed information is correct.
Curator Response: Thanks for the report. However, 3/4 plate is referenced in the lookup table. The Model 5 is implied as a 3-Finger train bridge.

Chronified Supporter 212 · February 23, 2023

Serial Number 726886 was reported as accurate.

2mnyboxers Supporter 398 · August 29, 2022

Serial Number 726555 was reported as accurate.

funkywatches 69 · December 30, 2021

Serial Number 726098 was reported as accurate.

Anonymous · December 27, 2021

Serial Number 726628 was reported as accurate.

Anonymous · August 23, 2021

Serial Number 726040 was reported as accurate.

Anonymous · August 20, 2021

Serial Number 726628 was reported as accurate.

10mueller 38 · June 11, 2021

Serial Number 726584 was reported as accurate.

jcammaro 68 · December 11, 2020

Serial Number 726671 was reported as accurate.

Anonymous · November 29, 2020

Serial Number 726512 was reported as accurate.

Anonymous · September 7, 2020

Serial Number 726242 was reported as accurate.

Anonymous · August 31, 2019

Serial Number 726290 was reported as accurate.

Anonymous · July 24, 2019

Serial Number 726418 was reported as accurate.

Anonymous · April 6, 2019

Serial Number 726707 was reported as accurate.

Anonymous · October 24, 2018

Serial Number 726406 was reported as inaccurate.

Note: Not marked Winnebago.

Anonymous · August 20, 2018

Serial Number 726427 was reported as accurate.

Anonymous · August 20, 2018

Serial Number 726380 was reported as accurate.

jcammaro 68 · June 24, 2018

Serial Number 726611 was reported as accurate.

bigbadgreen 10 · March 1, 2018

Serial Number 726237 was reported as accurate.

von1943 Supporter 371 · February 17, 2018

Serial Number 726612 was reported as accurate.

von1943 Supporter 371 · February 17, 2018

Serial Number 726612 was reported as accurate.

Anonymous · November 13, 2017

Serial Number 726237 was reported as accurate.

Anonymous · March 1, 2017

Serial Number 726380 was reported as accurate.

Anonymous · May 18, 2016

Serial Number 726841 was reported as inaccurate.

Note: MOVEMENT SETTING: LEVER
Changes since this report was submitted:
Movement Setting changed from Pendant to Lever

robertjblais 21 · December 29, 2013

Serial Number 726827 was reported as inaccurate.

Note: This watch was railroad grade at the time
Changes since this report was submitted:
Movement Setting changed from Pendant to Lever

robertjblais 21 · December 29, 2013

Serial Number 726827 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Pendant to Lever

Anonymous · August 25, 2013

Serial Number 726885 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Pendant to Lever

Anonymous · August 25, 2013

Serial Number 726885 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Pendant to Lever

Anonymous · May 19, 2013

Serial Number 726360 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Pendant to Lever

Anonymous · April 10, 2013

Serial Number 726827 was reported as inaccurate.

Note: THIS WATCH IS RAILROAD GRADE IT WAS ONE OF THE
FIRST TO BE APPROVED AIND ADOPTED AND USED/ So
when it was manufactured it was the epitome of a
railroad watch but as people associated number of
jewels with accuracy standards changed.
Changes since this report was submitted:
Movement Setting changed from Pendant to Lever

Anonymous · April 8, 2013

Serial Number 726827 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Pendant to Lever

Anonymous · April 8, 2013

Serial Number 726827 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Pendant to Lever

Anonymous · April 8, 2013

Serial Number 726827 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Pendant to Lever

Anonymous · April 8, 2013

Serial Number 726885 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Pendant to Lever

Anonymous · April 8, 2013

Serial Number 726827 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Rockford Grade 405 Pocket Watch