E. Howard Watch Co. (Keystone) Pocket Watch: Serial Number 1283248 (Grade Series 11)

Save to My Collection Print Page Find a Mainspring Find a Balance Staff

Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/1283248

Access Date: April 24, 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 11

Manufacturer:	E. Howard Watch Co. (Keystone)
Manufacturer Location:	Waltham, Massachusetts
Movement Serial Number:	1283248
Grade:	Series 11
Model:	E
Estimated Production Year:	1914
Run Quantity:	1,000
Grade/Model Run:	4 of 11
Grade/Model Total Production:	25,100
Size:	16s
Jewels:	21j
Movement Configuration:	Openface
Movement Finish:	Nickel
Movement Setting:	Lever
Plate:	Bridge Plate
Double Roller:	Yes
Hairspring:	Breguet
Adjusted:	Yes
Adjusted to Position:	Yes
Adjusted # of Positions:	5
Adjusted to Temperature:	Yes
Adjusted to Isochronism:	Yes
Railroad Grade:	Yes
Railroad Grade Classification:	Class A
Case:	Various
Run ID:	295.G4.16S182.M4.O193.L52.21J46
Database Version:	v52.245
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	75.57
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	251.15
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	4.858%
Registry Population:	3 (0.30%)
$ Estimated Value (12 Month Change):	0.57% Analyzing 197 Sales

Value Guide

What is My Watch Worth?

Have a Question?

Ask the experts in The Pocket Watch Group

Production Metrics Tree: Grade Series 11

Target Profile: 16S-ME-21J-ONL-A5PTI

E. Howard Watch Co. (Keystone) Grade Series 11 (All Variations): 25,100 ETP

16S: 25,100 100.00%
16s, Grade Series 11

16S-ME: 25,100 100.00%
16s, Grade Series 11, Model E

16S-ME-21J: 25,100 100.00%
16s, Grade Series 11, Model E, 21 Jewels

16S-ME-21J-ONL: 25,100 100.00%
16s, Grade Series 11, Model E, 21 Jewels, Openface/Lever/Nickel

16S-ME-21J-ONL-A5PTI: 25,100 100.00%

Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
There are 3 watches in the population registry for this run. Create a FREE account or login to view the population registry and add your watch to the registry. Create a Free Account

Help Us Help Others By Improving the Database:

Does this information describe your movement accurately?

Yes

Why Might This Information Be Incorrect?

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.