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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/southbend/534046
Access Date: April 25, 2024
From the American Horology Archive:
South Bend Grade 345 Pocket Watch
South Bend Watch Co.

Grade: 345

Mixed Run: Grade 345 and 337

Manufacturer: South Bend
Manufacturer Location: South Bend, Indiana
Movement Serial Number: 534046
Grade: 345
Model: 2
Estimated Production Year: 1908
Run Quantity: 500
Grade/Model Run: 4 of 4
Grade/Model Total Production: 2,500
Size: 18s
Jewels: 17j
Jewel Material: Ruby
Movement Configuration: Openface
Movement Finish: Nickel
Movement Inlay Color: Gilt
Movement Setting: Lever
Plate: Full Plate
Double Roller: Yes
Regulator: Micrometric
Standard Dial Type: Double-Sunk
Adjusted: Yes
Adjusted to Position: Yes
Adjusted # of Positions: 3
Adjusted to Temperature: Yes
Adjusted to Isochronism: Yes
Data Research: 1917 South Bend Serial List
Case: Various
Run ID: 164.345G4.18S61.182M16.O82.L161.17J59
Database Version: v52.245
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration		 7.52
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration		 25.00
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration		 0.291%
Registry Population: 9 (1.80%)
Research Note: This run is designated as Grade 345 in factory serial lists. However, examples of Grade 337 movements have been found in the run (marked "337" on the barrel bridge). The majority of the first half of the run has been determined to be consistent with Grade 345 while the second half is consistent with the 337 classification despite obvious overlap between these groups. The database has been segmented accordingly, but mixed results are still possible and expected. #534279 and #534299 Verified as Marked "337" (17 Jewels, Marked, Gilded Screws/Regulator, No Adjustments Indicated); #534046 Verified as Marked Grade 345.
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Production Metrics Tree: Grade 345

Target Profile: 18S-M2-17J-ONL-A3PTI

South Bend Grade 345 (All Variations): 2,500 ETP
18S: 2,500 100.00%
18s, Grade 345
18S-M2: 2,500 100.00%
18s, Grade 345, Model 2
18S-M2-17J: 2,500 100.00%
18s, Grade 345, Model 2, 17 Jewels
18S-M2-17J-ONL: 2,500 100.00%
18s, Grade 345, Model 2, 17 Jewels, Openface/Lever/Nickel
18S-M2-17J-ONL-A3PTI: 2,500 100.00%

Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
There are 9 watches in the population registry for this run with 2 images.
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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.

ChrisG Top Contributor Supporter 543 · June 20, 2022

Serial Number 534174 was reported as accurate.

orotreasures 13 · May 10, 2022

Serial Number 534174 was reported as accurate.

Anonymous · February 6, 2021

Serial Number 534299 was reported as inaccurate.

Note: Mine is marked as a 337.
Curator Response: Thanks for the confirmation!

hawk613 Supporter 32 · October 29, 2019

Serial Number 534263 was reported as accurate.

Anonymous · January 23, 2019

Serial Number 534362 was reported as accurate.

Smpoyser 59 · July 12, 2017

Serial Number 534299 was reported as accurate.

daddo46 991 · October 11, 2016

Serial Number 534046 was reported as accurate.

daddo46 991 · June 10, 2016

Serial Number 534046 was reported as accurate.

daddo46 991 · May 24, 2016

Serial Number 534046 was reported as accurate.

daddo46 991 · May 22, 2016

Serial Number 534048 was reported as accurate.

Gasperoff Supporter 727 · April 13, 2015

Serial Number 534359 was reported as accurate.

South Bend Grade 345 Pocket Watch