Waltham Pocket Watch: Serial Number 18136499 (Grade No. 845)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/waltham/18136499

Access Date: November 15, 2024

From the American Horology Archive:

American Waltham Watch Co.

Grade: No. 845

Manufacturer:	Waltham
Manufacturer Location:	Waltham, Massachusetts
Movement Serial Number:	18136499
Grade:	No. 845
Model:	1892
Estimated Production Year:	1911
Run Quantity:	500
Grade/Model Run:	66 of 69
Grade/Model Total Production:	56,875
Size:	18s
Jewels:	21j
Jewel Material:	Ruby & Sapphire
Movement Configuration:	Openface
Movement Finish:	Nickel
Movement Setting:	Lever
Plate:	Full Plate
Double Roller:	Yes
Regulator:	Ohlson 1908
Hairspring:	Breguet
Escapement Type:	Straight-line
Pallet Jewel Material:	Sapphire
Standard Dial Type:	Double-Sunk
Adjusted:	Yes
Adjusted to Position:	Yes
Adjusted # of Positions:	5
Adjusted to Temperature:	Yes
Adjusted to Isochronism:	Yes
Railroad Grade:	Yes
Case:	Various
Run ID:	21786.G66.18S11992.181892M584.O13539.L5306.21J406
Data Research:	1954 Waltham "Gray Book" List NAWCC Waltham Serial Digest
Database Version:	v52.433
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	159.79
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	145.41
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	0.159%
Registry Population: Scoped for This Run Only	11 (2.20%)
$ Estimated Value (12 Month Change):	-7.56% Analyzing 460 Sales

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Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
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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.