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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/waltham/16186478
https://pocketwatchdatabase.com/search/result/waltham/16186478
Access Date: January 19, 2025
From the American Horology Archive:
American Waltham Watch Co.
Grade: Royal
23-Jewel Riverside Maximus Movements Verified in Run
| Manufacturer: | Waltham |  |
| Manufacturer Location: | Waltham, Massachusetts | |
| Movement Serial Number: | 16186478 | |
| Grade: | Royal | |
| Model: | 1894 | |
| Estimated Production Year: | 1907 | |
| Run Quantity: | 300 | |
| Grade/Model Run: | 104 of 166 | |
| Grade/Model Total Production: | 115,190 | |
| Size: | 12s | |
| Jewels: | 17j | |
| Jewel Setting: | Gold Settings (Screw-Set) | |
| Movement Configuration: | Openface | |
| Movement Finish: | Nickel | |
| Movement Setting: | Pendant | |
| Plate: | 3/4 Plate | |
| Balance Type: | Compensation | |
| Regulator: | Patent | |
| Hairspring: | Breguet | |
| Adjusted: | Yes | |
| Railroad Grade: | No | |
| Case: | Various | |
| Run ID: | 20579.G654.12S662.121894M652.O12870.P5970.17J1706 | |
| Data Research: |
1954 Waltham "Gray Book" List NAWCC Waltham Serial Digest |
|
| Database Version: | v52.560 | |
| Advanced Metrics | ||
| PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 193.77 | |
| PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 176.25 | |
| Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 0.193% | |
| Registry Population: Scoped for This Run Only | 4 (1.33%) | |
| $ Estimated Value (12 Month Change): | -4.71% Analyzing 279 Sales | |
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Research Note: Multiple Riverside Maximus grades have been reported in the 16,186,47X range. #16186478 has been verified as a "Maximus" grade. Waltham serial lists designate this run as "Royal;" however, the preceeding run (16,186,001-16,186,300) is designated for the 12-Size M1894 "Maximus." Additionally, the run following the "Royal" (16,186,601-16,186,700) is designated as "Ass't. Spec." (Assorted Special). It appears there may be some overlap in these runs.
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Population Registry for This Run
| Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
|---|---|---|---|---|---|
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There are 4 watches in the population registry for this run with 1 image.
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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.
winer42 4 · August 5, 2018
Serial Number 16186520 was reported as accurate.
51Cards 19 · January 27, 2018
Serial Number 16186470 was reported as inaccurate.
Note: This watch is a 12 size Riverside Maximus Open
Face 23 Jewels. I have the watch in its box with
original papers.
Face 23 Jewels. I have the watch in its box with
original papers.
Changes since this report was submitted:
Jewels changed from 23j to 17j
Anonymous · August 15, 2016
Serial Number 16186517 was reported as accurate.
Changes since this report was submitted:
Jewels changed from 23j to 17j
Anonymous · December 13, 2015
Serial Number 16186475 was reported as inaccurate.
Note: 23 Jewel Riverside Maximus 12 size
elk1989 23 · October 17, 2013
Serial Number 16186470 was reported as inaccurate.
Note: 16186470 is a 12-size Waltham Riverside Maximus,
23 jewels, open face
23 jewels, open face
