Pocket Watch Database

From the American Horology Archive:
Waltham Grade No. 25 Pocket Watch

American Waltham Watch Co.

Grade: No. 25

Mixed Run: P.S. Bartlett Examples Reported

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 2721650
Grade: No. 25
Variation: W.W.Co. Quality
Model: 1877
Estimated Production Date: March 1886 - October 1886
Run Quantity: 400
Grade/Model Run: 2 of 2
Grade/Model Total Production: 600
Size: 18s
Jewels: 15j
Jewel Setting: Screw-Set
Movement Configuration: Hunting
Movement Finish: Gilt
Movement Signing Style: Mixed
Movement Inlay Color: None
Movement Setting: Lever
Winding Pinion: Female
Plate: Full Plate
Train: Quick
Regulator: Patent
Hairspring: Breguet
Adjusted: Yes
Adjusted to Position: Yes
Adjusted # of Positions: 3
Adjusted to Temperature: Yes
Adjusted to Isochronism: Yes
Movement Markings: P.S. Bartlett
Waltham, Mass.
Safety Pinion
Data Research: c.1900 Waltham Factory Ledger Book 2 [NAWCC]
1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Case: Various
Run ID: 11687.G2.18S8057.181877M1817.H2467.L2718.15J2533
Database Version: v52.246
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
1.80
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
1.64
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.002%
Registry Population: 3 (0.75%)
$ Estimated Value (12 Month Change): -8.13% Analyzing 412 Sales
Research Note: Waltham Serial Ledgers designate run as "W.W.Co. Grande No. 25." However, #2721650 and #2721889: Reported as Grade P.S. Bartlett. , 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.

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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.


Harley505 Supporter 78 · March 11, 2015

Serial Number 2721650 was reported as inaccurate.

Note: Stem wound, lever set, open face.
P.S. Bartlett.
Changes since this report was submitted:
Movement Setting changed from Key to Lever
Adjusted changed from No to Yes

Anonymous · April 20, 2013

Serial Number 2721889 was reported as inaccurate.

Note: P.S. Bartlett grade
Lever set movement
Changes since this report was submitted:
Movement Setting changed from Key to Lever
Adjusted changed from No to Yes
Waltham Grade No. 25 Pocket Watch