Pocket Watch Database
Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/waltham/17939
https://pocketwatchdatabase.com/search/result/waltham/17939
Access Date: June 02, 2023
From the American Horology Archive:
American Waltham Watch Co.
Grade: A.T. & Co.
| Manufacturer: | Waltham |  |
| Manufacturer Location: | Waltham, Massachusetts | |
| Movement Serial Number: | 17939 | |
| Grade: | A.T. & Co. | |
| Model: | 1857 | |
| Estimated Production Date: | July 1859 | |
| Run Quantity: | 10 | |
| Grade/Model Total Production: | 62,258 | |
| Size: | 18s | |
| Jewels: | 16j | |
| Jewel Setting: | Screw-Set | |
| Movement Configuration: | Adaptable | |
| Movement Finish: | Gilt | |
| Movement Signing Style: | Serif (Decorative) | |
| Movement Inlay Color: | None | |
| Movement Setting: | Key | |
| Plate: | Full Plate | |
| Balance Type: | Solid | |
| Balance Material: | Gold | |
| Regulator: | Undersprung | |
| Adjusted: | No | |
| Railroad Grade: | No | |
| Movement Markings: | Appleton, Tracy & Co. Waltham, Mass. |
|
| Data Research: |
c.1900 Waltham Factory Ledger Book 1 [NAWCC] c.1900 Waltham Factory Ledgers [Ehrhardt Transcription] 1954 Waltham "Gray Book" List NAWCC Waltham Serial Digest |
|
| Case: | Various | |
| Database Version: | v50.839 | |
| Advanced Metrics | ||
| PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 165.79 | |
| PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 156.29 | |
| Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 0.171% | |
| Registry Population: | 1 (10.00%) | |
|
Research Note: Waltham Serial Ledgers record this run as featuring 16 Jewels. However, #17939 has been verified with only 15 Jewels.
|
||
Population Registry for This Run
| Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
|---|---|---|---|---|---|
| 1 | 17939 | #9 | Collection | March 16, 2017 | |
| Standard Deviation of Known Examples: 0.00 (Expected: 3.03, Δ3.03/30.28%) | |||||
Help Us Help Others By Improving the Database:
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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.
TimeAntiquarian Founder Research Expert Historian Top Contributor Supporter 171 · March 3, 2021
Serial Number 17939 was reported as inaccurate.
Note: #17939 does not feature the 16th jewel on the
pillar plate (verified under dial).
pillar plate (verified under dial).
Anonymous · June 21, 2019
Serial Number 17940 was reported as accurate.
Changes since this report was submitted:
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