Pocket Watch Database

From the American Horology Archive:
South Bend Grade 312 Pocket Watch

South Bend Watch Co.

Grade: 312

Manufacturer: South Bend
Manufacturer Location: South Bend, Indiana
Movement Serial Number: 537961
Grade: 312
Model: 2
Estimated Production Year: 1908
Run Quantity: 1,000
Grade/Model Run: 1 of 1
Grade/Model Total Production: 1,000
Size: 18s
Jewels: 17j
Jewel Material: Ruby & Sapphire
Jewel Setting: Screw-Set
Movement Configuration: Hunting
Movement Finish: Nickel
Finish Pattern: Pinwheel With Wide Ribbon
Movement Setting: Lever
Plate: Full Plate
Double Roller: Yes
Regulator: Precision Nut & Screw
Standard Dial Type: Single-Sunk
Adjusted: Yes
Adjusted to Position: No
Adjusted to Temperature: Yes
Adjusted to Isochronism: Yes
Railroad Grade: No
Movement Markings: South Bend Watch Co.
South Bend, Ind.
312
Adjusted
17 Jewels
Double Roller
Data Research: 1917 South Bend Serial List
Case: Various
Run ID: 168.312G1.18S65.182M20.H81.L165.17J62
Database Version: v52.235
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
3.01
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
9.38
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.116%
Registry Population: 11 (1.10%)

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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.


okiejohn 379 · April 15, 2021

Serial Number 537083 was reported as inaccurate.

Note: This movement is NOT marked "Adjusted". It also IS
marked as "Double Roller" (databese has it default
as "no" ).
Curator Response: Thanks for the report. The double roller designation has now been corrected. However, your movement is indeed marked "Adjusted" on the barrel bridge.
Changes since this report was submitted:
Double Roller changed from No to Yes

dfurtado 112 · October 1, 2020

Serial Number 537606 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · September 29, 2019

Serial Number 537321 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Smpoyser 59 · July 12, 2017

Serial Number 537718 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · March 10, 2017

Serial Number 537881 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · October 29, 2015

Serial Number 537511 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · October 28, 2015

Serial Number 537511 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

mehuffer 70 · December 12, 2013

Serial Number 537961 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes
South Bend Grade 312 Pocket Watch