E. Howard Watch Co. (Keystone) Pocket Watch: Serial Number 979899 (Grade Series 5)

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Antique 16S E. Howard Series 5 19 Jewel Hunter Pocket Watch Gold Filled

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c. 1908 E. HOWARD WATCH CO. RR TYPE SERIES 5 WATCH 19J ADJ. 5 POS. 53MM WORKING

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/979899/movement

Access Date: December 22, 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:	979899
Grade:	Series 5
Variation:	Straight Bridge Jeweled Barrel
Model:	1907
Estimated Production Year:	1908
Run Quantity:	500
Grade/Model Run:	5 of 26
Grade/Model Total Production:	16,400
Variant Est. Production:	800 (16S-M1907-19J-HNP-A5PTI-STRAIGHT 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:	121.G5.16S97.161907M12.H42.P102.19J8
Database Version:	v52.517
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	5.42
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	18.96
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	0.344%
Registry Population: Scoped for This Run Only	1 (0.20%)
$ Estimated Value (12 Month Change):	-9.74% Analyzing 97 Sales

Value Guide

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Production Metrics Tree: Grade Series 5

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

E. Howard Watch Co. (Keystone) Grade Series 5 (All Variations): 16,800 ETP
16S: 16,800 100.00% 16s, Grade Series 5
16S-M1907: 16,400 97.62% 16s, Grade Series 5, Model 1907			Other: 400 Other Models or Unclassified
16S-M1907-19J: 16,400 97.62% 16s, Grade Series 5, Model 1907, 19 Jewels
16S-M1907-19J-HNP: 1,800 10.71% 16s, Grade Series 5, Model 1907, 19 Jewels, Hunting/Pendant/Nickel		Other: 14,600 Other Configs or Unclassified
16S-M1907-19J-HNP-A5PTI: 1,800 10.71%
16S-M1907-19J-HNP-A5PTI-STRAIGHT BRIDGE JEWELED BARREL: 800 4.76%	Other: 1,000 Other Variants or Unclassified

Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
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