Pocket Watch Database
https://pocketwatchdatabase.com/search/result/e.-howard-watch-co.-keystone/967214/link
Access Date: December 25, 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:
-Series4-16s.jpg)
E. Howard Watch Co. (Keystone)
Grade: Series 4
| Manufacturer: | E. Howard Watch Co. (Keystone) |  |
| Manufacturer Location: | Waltham, Massachusetts | |
| Movement Serial Number: | 967214 | |
| Grade: | Series 4 | |
| Model: | 1905 | |
| Estimated Production Year: | 1908 | |
| Run Quantity: | 1,000 | |
| Grade/Model Run: | 16 of 24 | |
| Grade/Model Total Production: | 16,350 | |
| Variant Est. Production: | 7,420 (16S-M1905-17J-ONP) | |
| Size: | 16s | |
| Jewels: | 17j | |
| Jewel Material: | Ruby & Sapphire | |
| Jewel Setting: | Gold Settings (Screw-Set) | |
| Movement Configuration: | Openface | |
| Movement Finish: | Nickel | |
| Finish Pattern: | Checkerboard | |
| Movement Setting: | Pendant | |
| Plate: | 3/4 Plate | |
| Double Roller: | Yes | |
| Regulator: | Reed | |
| Hairspring: | Breguet | |
| Pallet Jewel Material: | Sapphire | |
| 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: | No | |
| Dial Feet Locations: | 10.7, 24.3, 48.9 | |
| U.S. Patents: | 781263, 796162, 886387, 900183, 992013, 971496, 978612, 981667 | |
| Movement Markings: | E. Howard Watch Co. Boston U.S.A. Adjusted 17 Jewels Pat'd. '05 |
|
| Case: | Various | |
| Run ID: | 100.G16.16S77.161905M71.O57.P91.17J74 | |
| Database Version: | v52.526 | |
| Advanced Metrics | ||
| PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 36.79 | |
| PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 129.34 | |
| Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 2.337% | |
| Registry Population: Scoped for This Run Only | 37 (3.70%) | |
| $ Estimated Value (12 Month Change): | -5.49% Analyzing 72 Sales | |
|
Research Note: #967642 and #967956: Reported as Lever-Set
|
||
Production Metrics Tree: Grade Series 4
Target Profile: 16S-M1905-17J-ONP-A5PTI
| E. Howard Watch Co. (Keystone) Grade Series 4 (All Variations): 16,350 ETP | |
| 16S: 16,350 100.00% 16s, Grade Series 4 |
|
| 16S-M1905: 16,350 100.00% 16s, Grade Series 4, Model 1905 |
|
| 16S-M1905-17J: 16,350 100.00% 16s, Grade Series 4, Model 1905, 17 Jewels |
|
| 16S-M1905-17J-ONP: 7,420 45.38% 16s, Grade Series 4, Model 1905, 17 Jewels, Openface/Pendant/Nickel |
Other: 8,930
Other Configs or Unclassified |
| 16S-M1905-17J-ONP-A5PTI: 7,420 45.38% | |
Population Registry for This Run
| Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
|---|---|---|---|---|---|
|
There are 37 watches 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.
Anonymous · July 10, 2020
Serial Number 967893 was reported as accurate.
Anonymous · May 1, 2020
Serial Number 967119 was reported as accurate.
addphill95 1 · November 13, 2019
Serial Number 967199 was reported as accurate.
texnet 684 · March 16, 2019
Serial Number 967989 was reported as accurate.
