Waltham Pocket Watch: Serial Number 8731791 (Grade No. 620)

Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/waltham/8731791

Access Date: April 20, 2024

From the American Horology Archive:

American Waltham Watch Co.

Grade: No. 620

Manufacturer:	Waltham
Manufacturer Location:	Waltham, Massachusetts
Movement Serial Number:	8731791
Grade:	No. 620
Model:	1899
Estimated Production Year:	1899
Run Quantity:	2,000
Grade/Model Run:	13 of 174
Grade/Model Total Production:	339,100
Variant Est. Production:	153,450 (16S-M1899-15J-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
Bridge Type:	Center
Regulator:	Church 1892
Hairspring:	Breguet
Adjusted:	No
Railroad Grade:	No
Movement Markings:	A.W.W.Co. Waltham, Mass. 15 Jewels
Data Research:	1954 Waltham "Gray Book" List NAWCC Waltham Serial Digest
Case:	Various
Run ID:	16083.G13.16S964.161899M25.O10453.P2493.15J3771
Database Version:	v52.241
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	462.60
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	420.97
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	0.460%
Registry Population:	15 (0.75%)

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Production Metrics Tree: Grade No. 620

Target Profile: 16S-M1899-15J-ONP-U

Waltham Grade No. 620 (All Variations): 693,199 ETP
16S: 693,199 100.00% 16s, Grade No. 620
16S-M1899: 339,100 48.92% 16s, Grade No. 620, Model 1899			Other: 354,099 Other Models or Unclassified
16S-M1899-15J: 336,600 48.56% 16s, Grade No. 620, Model 1899, 15 Jewels		Other: 2,500 Other Jewels or Unclassified
16S-M1899-15J-ONP: 153,450 22.14% 16s, Grade No. 620, Model 1899, 15 Jewels, Openface/Pendant/Nickel	Other: 183,150 Other Configs or Unclassified
16S-M1899-15J-ONP-U: 153,450 22.14%

Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
There are 15 watches in the population registry for this run with 2 images. Create a FREE account or login to view the population registry and add your watch to the registry. Create a Free Account

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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.

Anonymous · March 6, 2024

Serial Number 8730716 was reported as accurate.

Anonymous · April 17, 2023

Serial Number 8731113 was reported as accurate.