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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/waltham/18818600
https://pocketwatchdatabase.com/search/result/waltham/18818600
Access Date: February 03, 2025
From the American Horology Archive:
American Waltham Watch Co.
Grade: No. 620
| Manufacturer: | Waltham |  |
| Manufacturer Location: | Waltham, Massachusetts | |
| Movement Serial Number: | 18818600 | |
| Grade: | No. 620 | |
| Model: | 1908 | |
| Estimated Production Year: | 1912 | |
| Run Quantity: | 2,000 | |
| Grade/Model Run: | 74 of 197 | |
| Grade/Model Total Production: | 354,099 | |
| Variant Est. Production: | 189,599 (16S-M1908-15J-ONP) | |
| Size: | 16s | |
| Jewels: | 15j | |
| Jewel Setting: | Screw-Set | |
| Movement Configuration: | Openface | |
| Movement Finish: | Nickel | |
| Movement Inlay Color: | Black | |
| Movement Setting: | Pendant | |
| Plate: | Bridge Plate | |
| Regulator: | Church 1892 | |
| Hairspring: | Breguet | |
| Adjusted: | No | |
| Railroad Grade: | No | |
| Movement Markings: | A.W.W.Co. Waltham, Mass. 15 Jewels |
|
| Case: | Various | |
| Run ID: | 22147.G248.16S2904.161908M474.O13744.P7366.15J5138 | |
| Data Research: |
1954 Waltham "Gray Book" List NAWCC Waltham Serial Digest |
|
| Database Version: | v52.591 | |
| Advanced Metrics | ||
| PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 612.99 | |
| PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 557.82 | |
| Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 0.609% | |
| Registry Population: Scoped for This Run Only | 7 (0.35%) | |
Production Metrics Tree: Grade No. 620
Target Profile: 16S-M1908-15J-ONP-U
| Waltham Grade No. 620 (All Variations): 693,199 ETP | ||
| 16S: 693,199 100.00% 16s, Grade No. 620 |
||
| 16S-M1908: 354,099 51.08% 16s, Grade No. 620, Model 1908 |
Other: 339,100
Other Models or Unclassified |
|
| 16S-M1908-15J: 354,099 51.08% 16s, Grade No. 620, Model 1908, 15 Jewels |
||
| 16S-M1908-15J-ONP: 189,599 27.35% 16s, Grade No. 620, Model 1908, 15 Jewels, Openface/Pendant/Nickel |
Other: 164,500
Other Configs or Unclassified |
|
| 16S-M1908-15J-ONP-U: 189,599 27.35% | ||
Population Registry for This Run
| Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
|---|---|---|---|---|---|
|
There are 7 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.
Rcardkidz 4173 · December 10, 2023
Serial Number 18818038 was reported as accurate.
Anonymous · May 30, 2020
Serial Number 18818332 was reported as accurate.
Changes since this report was submitted:
Plate changed from 3/4 to Bridge
Anonymous · May 28, 2020
Serial Number 18819671 was reported as accurate.
Changes since this report was submitted:
Plate changed from 3/4 to Bridge
Anonymous · December 27, 2019
Serial Number 18819612 was reported as accurate.
Changes since this report was submitted:
Plate changed from 3/4 to Bridge
bubba70 543 · May 17, 2019
Serial Number 18819405 was reported as accurate.
Changes since this report was submitted:
Plate changed from 3/4 to Bridge
Anonymous · September 9, 2018
Serial Number 18819614 was reported as accurate.
Changes since this report was submitted:
Plate changed from 3/4 to Bridge
Anonymous · March 13, 2013
Serial Number 18819601 was reported as inaccurate.
No further details were submitted with the report.
Changes since this report was submitted:
Plate changed from 3/4 to Bridge
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