E. Howard Watch Co. (Keystone) Pocket Watch: Serial Number 1077882 (Grade Series 5)

Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/1077882

Access Date: May 05, 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 5

Manufacturer:	E. Howard Watch Co. (Keystone)
Manufacturer Location:	Waltham, Massachusetts
Movement Serial Number:	1077882
Grade:	Series 5
Variation:	Hooked Bridge Jeweled Barrel
Model:	1907
Estimated Production Year:	1911
Run Quantity:	300
Grade/Model Run:	14 of 27
Grade/Model Total Production:	16,600
Variant Est. Production:	600 (16S-M1907-19J-HNP-A5PTI-HOOKED BRIDGE JEWELED BARREL)
Size:	16s
Jewels:	19j
Jewel Material:	Ruby & Sapphire
Movement Configuration:	Hunting
Movement Finish:	Nickel
Movement Setting:	Pendant
Plate:	Bridge Plate
Bridge Type:	Center
Double Roller:	Yes
Barrel:	Jeweled Safety
Regulator:	Reed
Hairspring:	Breguet
Pallet Jewel Material:	Sapphire
Standard Dial Type:	Double-Sunk
Adjusted:	Yes
Adjusted to Position:	Yes
Adjusted # of Positions:	5
Adjusted to Temperature:	Yes
Adjusted to Isochronism:	Yes
Railroad Grade:	No
Dial Feet Locations:	10.7, 24.3, 48.9
Case:	Various
Run ID:	174.G14.16S116.161907M27.H56.P131.19J25
Database Version:	v52.249
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	4.21
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	13.91
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	0.271%
Registry Population:	3 (1.00%)
$ Estimated Value (12 Month Change):	-13.18% Analyzing 88 Sales
Research Note: #1077848: Reported as 23-Jewel, Hunting, Pendant-Set (Consistent with Series 0)

Value Guide

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Production Metrics Tree: Grade Series 5

Target Profile: 16S-M1907-19J-HNP-A5PTI-HOOKED BRIDGE JEWELED BARREL

E. Howard Watch Co. (Keystone) Grade Series 5 (All Variations): 16,600 ETP
16S: 16,600 100.00% 16s, Grade Series 5
16S-M1907: 16,600 100.00% 16s, Grade Series 5, Model 1907
16S-M1907-19J: 16,600 100.00% 16s, Grade Series 5, Model 1907, 19 Jewels
16S-M1907-19J-HNP: 1,300 7.83% 16s, Grade Series 5, Model 1907, 19 Jewels, Hunting/Pendant/Nickel		Other: 15,300 Other Configs or Unclassified
16S-M1907-19J-HNP-A5PTI: 1,300 7.83%
16S-M1907-19J-HNP-A5PTI-HOOKED BRIDGE JEWELED BARREL: 600 3.61%

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 with 1 image. 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.

Anonymous · January 21, 2022

Serial Number 1077976 was reported as accurate.

Anonymous · August 16, 2020

Serial Number 1077721 was reported as accurate.

Anonymous · April 5, 2019

Serial Number 1077848 was reported as inaccurate.

Note: This is a hunters style movement 23 jewels but is
not marked series 0 it is adjusted 5 positions and
only seemed to be offered in solid 14k gold
hunters cases. Also it is a stem set. And there is
no arrow on the bridge. It is very similar to the
series 0

Curator Response: Thanks for the report. I have noted this in the lookup information. If possible, please upload an image of the movement for further evaluation and documentation.