South Bend Pocket Watch: Serial Number 619496 (Grade 431)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/southbend/619496

Access Date: November 21, 2024

From the American Horology Archive:

South Bend Watch Co.

Grade: 431

Manufacturer:	South Bend
Manufacturer Location:	South Bend, Indiana
Movement Serial Number:	619496
Grade:	431
Model:	1
Estimated Production Year:	1910
Run Quantity:	1,000
Grade/Model Run:	1 of 3
Grade/Model Total Production:	2,500
Size:	12s
Jewels:	21j
Jewel Material:	Ruby & Sapphire
Jewel Setting:	Gold Settings (Screw-Set)
Movement Configuration:	Openface
Movement Finish:	Nickel
Movement Inlay Color:	Gilt
Movement Setting:	Pendant
Plate:	Bridge Plate
Bridge Type:	Center Bridge, 2-finger
Double Roller:	Yes
Regulator:	South Bend Needle
Pallet Jewel Material:	Ruby
Adjusted:	Yes
Adjusted to Position:	Yes
Adjusted # of Positions:	5
Adjusted to Temperature:	Yes
Adjusted to Isochronism:	Yes
Railroad Grade:	No
Movement Markings:	South Bend Watch Co. Ind., U.S.A. Adjusted to Temp & 5 Pos'ns 431 21 Jewels Double Roller
Case:	Various
Run ID:	252.431G1.12S2.121M2.O146.P23.21J18
Data Research:	1917 South Bend Serial List
Database Version:	v52.450
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: Scoped for This Run Only	18 (1.80%)

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Production Metrics Tree: Grade 431

Target Profile: 12S-M1-21J-ONP-A5PTI

South Bend Grade 431 (All Variations): 2,500 ETP

12S: 2,500 100.00%
12s, Grade 431

12S-M1: 2,500 100.00%
12s, Grade 431, Model 1

12S-M1-21J: 2,500 100.00%
12s, Grade 431, Model 1, 21 Jewels

12S-M1-21J-ONP: 2,500 100.00%
12s, Grade 431, Model 1, 21 Jewels, Openface/Pendant/Nickel

12S-M1-21J-ONP-A5PTI: 2,500 100.00%

Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
There are 18 watches in the population registry for this run with 3 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.