Pocket Watch Database
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/1105043/auth/login
Access Date: July 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 Pocket Watch](https://pocketwatchdatabase.com/assets/images/cuts/E.HowardWatchCo.(Keystone)-Series5-16s.jpg)
E. Howard Watch Co. (Keystone)
Grade: Series 5
Manufacturer: | E. Howard Watch Co. (Keystone) | ![]() |
Manufacturer Location: | Waltham, Massachusetts | ![]() |
Movement Serial Number: | 1105043 | ![]() |
Grade: | Series 5 | ![]() |
Variation: | Hooked Bridge Jeweled Barrel | ![]() |
Model: | 1907 | ![]() |
Estimated Production Year: | 1911 | ![]() |
Run Quantity: | 300 | ![]() |
Grade/Model Run: | 21 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 | ![]() |
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 | ![]() |
Movement Markings: | E. Howard Watch Co. Boston U.S.A. Adjusted 19 Jewels [Triangle in Arrow] Pat'd. '08 Extra Adjustment Five Positions Temperature |
|
Case: | Various | ![]() |
Run ID: | 203.G21.16S140.161907M43.H62.P149.19J32 | ![]() |
Database Version: | v52.354 | ![]() |
Advanced Metrics | ||
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 4.81 | ![]() |
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 17.69 | ![]() |
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 0.281% | ![]() |
Registry Population: | 1 (0.33%) | ![]() |
$ Estimated Value (12 Month Change): | -13.18% Analyzing 89 Sales | ![]() |
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: 1,600 9.64% 16s, Grade Series 5, Model 1907, 19 Jewels, Hunting/Pendant/Nickel |
Other: 15,000
Other Configs or Unclassified |
||
16S-M1907-19J-HNP-A5PTI: 1,600 9.64% | |||
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 is 1 watch in the population registry for this run with 1 image.
|
Help Us Help Others By Improving the Database:
Does this information describe your movement accurately?
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.
JointVenture Supporter 110 · May 26, 2020
Serial Number 1105090 was reported as accurate.
![E. Howard Watch Co. (Keystone) Grade Series 5 Pocket Watch](https://pocketwatchdatabase.com/assets/images/cuts/E.HowardWatchCo.(Keystone)-Series5-16s.jpg)
-
This WatchFrom This Run
uploaded by weschmidt56
-
uploaded by Chipilon
-
uploaded by joe4646
-
uploaded by MichaelB
-
uploaded by ebsrods
-
uploaded by esoxhunter
-
uploaded by TWW369
-
uploaded by WatchFan63
-
uploaded by Clutterdude
-
uploaded by Mobilaero