E. Howard Watch Co. (Keystone) Pocket Watch: Serial Number 1396017 (Grade Series 11)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/1396017

Access Date: November 21, 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:	1396017
Grade:	Series 11
Variation:	Arrow.RecoilClick.GeometricDam
Model:	E
Estimated Production Year:	1924
Run Quantity:	600
Grade/Model Run:	12 of 12
Grade/Model Total Production:	25,100
Variant Est. Production:	1,600 (16S-ME-21J-ONL-A5PTI-ARROW.RECOILCLICK.GEOMETRICDAM)
Size:	16s
Jewels:	21j
Jewel Setting:	Burnished Jewels
Movement Configuration:	Openface
Movement Finish:	Nickel
Finish Pattern:	Geometric Radial
Movement Setting:	Lever
Plate:	Bridge Plate
Regulator:	Micrometric
Hairspring:	Breguet
Standard Dial Type:	Single-Sunk
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
Movement Markings:	E. Howard Watch Co. Boston U.S.A. Railroad Chronometer Series 11 [Star in Arrow] 21 Jewels R.R. Adjustment Temperature Five Positions Pat'd '08
Case:	Various
Run ID:	325.G12.16S205.M12.O237.L74.21J56
Database Version:	v52.450
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	265.78
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	4.804%
Registry Population: Scoped for This Run Only	5 (0.83%)
$ Estimated Value (12 Month Change):	0.29% Analyzing 205 Sales

Value Guide

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Production Metrics Tree: Grade Series 11

Target Profile: 16S-ME-21J-ONL-A5PTI-ARROW.RECOILCLICK.GEOMETRICDAM

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%
16S-ME-21J-ONL-A5PTI-ARROW.RECOILCLICK.GEOMETRICDAM: 1,600 6.37%	Other: 23,500 Other Variants or Unclassified

Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
There are 5 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.