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Guild Home > Calibers > Waltham > Waltham 870SS

Waltham 870SS Movement Specifications, Beat Rate & Dimensions

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Technical Caliber Datasheet

ManufacturerWaltham
Caliber ReferenceWaltham 870SS
Movement TypeManual
Diameter (Lignes)—
Diameter (mm)19.7 mm
Height / Thickness—
Jewel Count18 Jewels
Beat Rate / Frequency18,000 BPH
Lift Angle51°
Power Reserve38 hours
EscapementSwiss Lever
Production Period1940

Historical Reference & Restoration Notes

The Waltham 870SS is a celebrated example of vintage precision engineering. Featuring 18 jewels and operating at 18,000 BPH, surviving examples are prized by collectors and restorers. For authentic restored timepieces and bespoke pocket-to-wrist conversions, visit official catalog.

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