E. Howard Watch Co. (Keystone) Pocket Watch: Serial Number 1123005 (Grade Series 2)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/1123005

Access Date: May 05, 2025

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 2

Manufacturer:	E. Howard Watch Co. (Keystone)
Manufacturer Location:	Waltham, Massachusetts
Movement Serial Number:	1123005
Grade:	Series 2
Model:	1907
Estimated Production Year:	Login to View
Run Quantity:	Login to View
Grade/Model Run:	Login to View
Grade/Model Total Production:	Login to View
Variant Est. Production:	Login to View
Size:	16s
Jewels:	17j
Jewel Material:	Login to View
Jewel Setting:	Login to View
Movement Configuration:	Openface
Movement Finish:	Nickel
Movement Setting:	Lever
Wind Mechanism:	Pendant
Plate:	Bridge Plate
Bridge Type:	Center
Double Roller:	Yes
Regulator:	Login to View
Hairspring:	Login to View
Pallet Jewel Material:	Sapphire
Standard Dial Type:	Login to View
Adjusted:	Login to View
Adjusted to Position:	Login to View
Adjusted # of Positions:	Login to View
Adjusted to Temperature:	Login to View
Adjusted to Isochronism:	Login to View
Railroad Grade:	Login to View
Dial Feet Locations:	Login to View
Movement Markings:	Login to View
Case:	Various
Run ID:	231.G15.16S152.161907M52.O152.L38.17J119
Database Version:	v52.644
Advanced Metrics
Members Only Data. Login or create a free account to unlock.
Registry Population: Scoped for This Run Only	5 (0.50%)
Research Note: #1122867: Reported as Lever-Set. #1123252: Verified as Lever-Set. #1123350: Reported as Pendant-Set.

18 Additional Member-Only Data Points Available

The following information is unlocked with a free account:

Estimated Production Year, Run Quantity, Grade/Model Run, Grade/Model Total Production, Variant Est. Production, Jewel Material, Jewel Setting, Regulator Type, Hairspring, Standard Dial Type, Adjustments, Adjusted to Position, Positional Adjustments, Temperature Adjustments, Isochronism Adjustments, Railroad Grade Designation, Dial Feet Locations, Movement Markings

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Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
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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.