Pocket Watch Database
Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/waltham/4725531
https://pocketwatchdatabase.com/search/result/waltham/4725531
Access Date: June 06, 2023
From the American Horology Archive:
American Waltham Watch Co.
Grade: No. 35
| Manufacturer: | Waltham |  |
| Manufacturer Location: | Waltham, Massachusetts | |
| Movement Serial Number: | 4725531 | |
| Grade: | No. 35 | |
| Model: | 1883 | |
| Estimated Production Date: | December 1891 - April 1892 | |
| Run Quantity: | 500 | |
| Grade/Model Total Production: | 31,700 | |
| Size: | 18s | |
| Jewels: | 17j | |
| Jewel Material: | Ruby | |
| Jewel Setting: | Gold Settings (Screw-Set) | |
| Movement Configuration: | Openface | |
| Movement Finish: | Nickel | |
| Movement Setting: | Pendant | |
| Plate: | Full Plate | |
| Regulator: | Patent | |
| Hairspring: | Breguet | |
| Standard Dial Type: | Double-Sunk | |
| Adjusted: | Yes | |
| Adjusted to Position: | Yes | |
| Adjusted to Temperature: | Yes | |
| Adjusted to Isochronism: | Yes | |
| Data Research: |
c.1900 Waltham Factory Ledger Book 2 [NAWCC] 1954 Waltham "Gray Book" List NAWCC Waltham Serial Digest |
|
| Case: | Various | |
| Database Version: | v50.865 | |
| Advanced Metrics | ||
| PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 47.95 | |
| PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 45.20 | |
| Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 0.049% | |
| Registry Population: | 6 (1.20%) | |
|
Research Note: Ruby Jewels in Gold Settings - In 1894, Waltham added 2 center jewels to the remaining inventory, modifying the movements from 15j to 17j. All 17j movements are marked as such.
|
||
Population Registry for This Run
| Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
|---|---|---|---|---|---|
| 1 |
Image Credit: hickson514 |
4725531 | #31 | Collection | April 16, 2019 |
| 2 | 4725678 | #178 | Collection | October 11, 2018 | |
| 3 | 4725750 | #250 | Marketplace | May 15, 2014 | |
| 4 | 4725848 | #348 | Inferred | ||
| 5 | 4725887 | #387 | Marketplace | January 21, 2022 | |
| 6 | 4725918 | #418 | Inferred | ||
| Standard Deviation of Known Examples: 146.73 (Expected: 144.48, Δ2.25/0.45%) | |||||
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.
bubba70 543 · August 19, 2019
Serial Number 4725918 was reported as accurate.
bubba70 543 · August 19, 2019
Serial Number 4725918 was reported as accurate.
hickson514 5 · April 19, 2019
Serial Number 4725531 was reported as inaccurate.
Note: Grade Canadian Pacific Railway
Curator Response: Thanks for the report. This has been noted as a private label in the run.
Anonymous · March 10, 2017
Serial Number 4725549 was reported as accurate.
Anonymous · April 20, 2013
Serial Number 4725871 was reported as inaccurate.
No further details were submitted with the report.
Anonymous · November 28, 2012
Serial Number 4725800 was reported as inaccurate.
Note: Jewels: 17j
Changes since this report was submitted:
Jewels changed from 15j to 17j
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