Pocket Watch Database


From the American Horology Archive:
Waltham Grade Royal Pocket Watch

American Waltham Watch Co.

Grade: Royal

Mixed Run: Royal and "Converted" Crescent St. Movements

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 7752952 Question Mark
Grade: Royal Question Mark
Model: 1892 Question Mark
Estimated Production Year: 1896 Question Mark
Run Quantity: 500 Question Mark
Grade/Model Run: 6 of 6 Question Mark
Grade/Model Total Production: 4,500 Question Mark
Size: 18s Question Mark
Jewels: 17j Question Mark
Jewel Setting: Gold Settings (Screw-Set) Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Two-Tone Question Mark
Movement Setting: Pendant Question Mark
Plate: Full Plate Question Mark
Balance Type: Compensation Question Mark
Regulator: Church 1892 Question Mark
Hairspring: Breguet Question Mark
Adjusted: Yes Question Mark
Case: Various Question Mark
Run ID: 15644.G465.18S9950.181892M101.O10223.P2143.17J409 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.433 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
6.02 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
5.48 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.006% Question Mark
Registry Population:
Scoped for This Run Only
4 (0.80%) Question Mark
Research Note: #7752952: Verified as original "Royal" grade milled and converted to "Crescent St." at factory.

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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.


cbzimm Supporter 469 · February 26, 2024

Serial Number 7752528 was reported as accurate.

pmtime Supporter 612 · October 3, 2023

Serial Number 7752657 was reported as accurate.

Mobilaero Top Contributor Supporter 307 · October 24, 2019

Serial Number 7752952 was reported as inaccurate.

Note: Model 1892 #7752952 is a ROYAL converted at the
factory to a "Crescent St." by milling out Royal
and inserting Crescent St.
Changes since this report was submitted:
Movement Finish changed from Nickel to Two-Tone

Anonymous · January 2, 2019

Serial Number 7752757 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Movement Finish changed from Nickel to Two-Tone
Waltham Grade Royal Pocket Watch