Pocket Watch Database
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/908323
Access Date: April 18, 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:
-Series3-16s.jpg)
E. Howard Watch Co. (Keystone)
Grade: Series 3
| Manufacturer: | E. Howard Watch Co. (Keystone) |  |
| Manufacturer Location: | Waltham, Massachusetts | |
| Movement Serial Number: | 908323 | |
| Grade: | Series 3 | |
| Model: | 1905 | |
| Estimated Production Year: | 1908 | |
| Run Quantity: | 1,900 | |
| Grade/Model Run: | 15 of 44 | |
| Grade/Model Total Production: | 61,640 | |
| Variant Est. Production: | 32,940 (16S-M1905-17J-HNP) | |
| Size: | 16s | |
| Jewels: | 17j | |
| Jewel Material: | Ruby & Sapphire | |
| Jewel Setting: | Gold Settings (Screw-Set) | |
| Movement Configuration: | Hunting | |
| Movement Finish: | Nickel | |
| Finish Pattern: | Circular | |
| Movement Setting: | Pendant | |
| Plate: | 3/4 Plate | |
| Regulator: | Reed | |
| Hairspring: | Breguet | |
| Pallet Jewel Material: | Sapphire | |
| Standard Dial Type: | Single-Sunk | |
| Adjusted: | Yes | |
| Adjusted to Position: | Yes | |
| Adjusted # of Positions: | 3 | |
| Adjusted to Temperature: | Yes | |
| Adjusted to Isochronism: | Yes | |
| Railroad Grade: | No | |
| Dial Feet Locations: | 10.7, 24.3, 48.9 | |
| U.S. Patents: | 781263, 796162, 886387, 900183, 992013, 971496, 978612, 981667 | |
| Case: | Various | |
| Run ID: | 38.G15.16S21.161905M21.H9.P32.17J24 | |
| Database Version: | v52.235 | |
| Advanced Metrics | ||
| PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 99.17 | |
| PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 329.63 | |
| Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 6.375% | |
| Registry Population: | 36 (1.89%) | |
| $ Estimated Value (12 Month Change): | 1.69% Analyzing 183 Sales | |
|
Research Note: #907990: Reported as Lever-Set
|
||
Production Metrics Tree: Grade Series 3
Target Profile: 16S-M1905-17J-HNP-A3PTI
| E. Howard Watch Co. (Keystone) Grade Series 3 (All Variations): 61,640 ETP | |
| 16S: 61,640 100.00% 16s, Grade Series 3 |
|
| 16S-M1905: 61,640 100.00% 16s, Grade Series 3, Model 1905 |
|
| 16S-M1905-17J: 61,640 100.00% 16s, Grade Series 3, Model 1905, 17 Jewels |
|
| 16S-M1905-17J-HNP: 32,940 53.44% 16s, Grade Series 3, Model 1905, 17 Jewels, Hunting/Pendant/Nickel |
Other: 28,700
Other Configs or Unclassified |
| 16S-M1905-17J-HNP-A3PTI: 32,940 53.44% | |
Population Registry for This Run
| Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
|---|---|---|---|---|---|
|
There are 36 watches in the population registry for this run with 3 images.
|
|||||
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.
Anonymous · August 9, 2023
Serial Number 908154 was reported as accurate.
Anonymous · June 29, 2023
Serial Number 908820 was reported as accurate.
Anonymous · November 10, 2022
Serial Number 907866 was reported as accurate.
Anonymous · September 14, 2022
Serial Number 907505 was reported as accurate.
Anonymous · July 14, 2021
Serial Number 907156 was reported as accurate.
Anonymous · May 31, 2021
Serial Number 908820 was reported as accurate.
Elmore 7 · November 30, 2020
Serial Number 908036 was reported as accurate.
Anonymous · August 8, 2020
Serial Number 908740 was reported as accurate.
Anonymous · May 8, 2020
Serial Number 908937 was reported as accurate.
Anonymous · September 10, 2019
Serial Number 907700 was reported as accurate.
WLBelkriver33 804 · February 17, 2019
Serial Number 908608 was reported as accurate.
bubba70 543 · February 15, 2019
Serial Number 908608 was reported as accurate.
-
This WatchFrom This Runuploaded by Jstork69
-
From This Runuploaded by CotsRaymond
-
From This Runuploaded by tcschung54
-
uploaded by Bigbobhoss
-
uploaded by sgoergens
-
uploaded by nicnic
-
uploaded by bob4watch
-
uploaded by texnet
-
uploaded by Will79
