E. Howard Watch Co. (Keystone) Pocket Watch: Serial Number 1059148 (Grade Series 8)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/1059148

Access Date: December 03, 2024

Due to the lack of existing factory records, our E. Howard Watch Co. (Keystone) database has been reconstructed using observations of known watches.
As a result, the information may contain inaccuracies. Please let us know if you have details that can improve the database.

From the American Horology Archive:

E. Howard Watch Co. (Keystone)

Grade: Series 8

Manufacturer:	E. Howard Watch Co. (Keystone)
Manufacturer Location:	Waltham, Massachusetts
Movement Serial Number:	1059148
Grade:	Series 8
Model:	1908
Estimated Production Year:	1909
Run Quantity:	400
Grade/Model Run:	2 of 16
Grade/Model Total Production:	4,450
Variant Est. Production:	3,265 (12S-M1908-21J-ONP)
Size:	12s
Jewels:	21j
Jewel Setting:	Burnished Jewels
Movement Configuration:	Openface
Movement Finish:	Nickel
Movement Setting:	Pendant
Plate:	Bridge Plate
Double Roller:	Yes
Regulator:	Reed
Hairspring:	Breguet
Standard Dial Type:	Single-Sunk
Adjusted:	Yes
Adjusted # of Positions:	5
Adjusted to Temperature:	Yes
Railroad Grade:	No
Movement Markings:	E. Howard Watch Co. Boston U.S.A. Adjusted 21 Jewels Pat'd '08
Case:	Various
Run ID:	161.G2.12S13.121908M13.O92.P130.21J8
Database Version:	v52.479
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	13.09
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	45.97
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	0.832%
Registry Population: Scoped for This Run Only	2 (0.50%)
Research Note: Some Equipped with Stop-Works

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Production Metrics Tree: Grade Series 8

Target Profile: 12S-M1908-21J-ONP-A5PT

E. Howard Watch Co. (Keystone) Grade Series 8 (All Variations): 14,400 ETP
12S: 14,400 100.00% 12s, Grade Series 8
12S-M1908: 4,450 30.90% 12s, Grade Series 8, Model 1908			Other: 9,950 Other Models or Unclassified
12S-M1908-21J: 3,365 23.37% 12s, Grade Series 8, Model 1908, 21 Jewels		Other: 1,085 Other Jewels or Unclassified
12S-M1908-21J-ONP: 3,265 22.67% 12s, Grade Series 8, Model 1908, 21 Jewels, Openface/Pendant/Nickel	Other: 100 Other Configs or Unclassified
12S-M1908-21J-ONP-A5PT: 3,265 22.67%

Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
There are 2 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.