South Bend Pocket Watch: Serial Number 731319 (Grade 313)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/southbend/731319/movement

Access Date: November 30, 2024

From the American Horology Archive:

South Bend Watch Co.

Grade: 313

Manufacturer:	South Bend
Manufacturer Location:	South Bend, Indiana
Movement Serial Number:	731319
Grade:	313
Model:	2
Estimated Production Year:	1912
Run Quantity:	1,000
Grade/Model Run:	7 of 8
Grade/Model Total Production:	8,000
Size:	18s
Jewels:	17j
Jewel Material:	Ruby & Sapphire
Jewel Setting:	Screw-Set
Movement Configuration:	Openface
Movement Finish:	Nickel
Finish Pattern:	Wide Stripe Over Pinwheel
Movement Inlay Color:	Black
Movement Setting:	Lever
Plate:	Full Plate
Double Roller:	Yes
Regulator:	Precision Nut & Screw
Hairspring:	Breguet
Standard Dial Type:	Single-Sunk
Adjusted:	Yes
Adjusted to Position:	No
Adjusted to Temperature:	Yes
Adjusted to Isochronism:	Yes
Movement Markings:	South Bend Watch Co. South Bend, Ind. 313 Adjusted 17 Jewels Double Roller
Case:	Various
Run ID:	377.313G7.18S105.182M60.O222.L259.17J136
Data Research:	1917 South Bend Serial List
Database Version:	v52.473
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	24.08
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	82.29
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	0.930%
Registry Population: Scoped for This Run Only	12 (1.20%)

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Production Metrics Tree: Grade 313

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

South Bend Grade 313 (All Variations): 8,000 ETP

18S: 8,000 100.00%
18s, Grade 313

18S-M2: 8,000 100.00%
18s, Grade 313, Model 2

18S-M2-17J: 8,000 100.00%
18s, Grade 313, Model 2, 17 Jewels

18S-M2-17J-ONL: 8,000 100.00%
18s, Grade 313, Model 2, 17 Jewels, Openface/Lever/Nickel

18S-M2-17J-ONL-ATI: 8,000 100.00%

Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
There are 12 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.