Waltham 650 Movement Specifications, Beat Rate & Dimensions

Technical Caliber Datasheet

Manufacturer	Waltham
Caliber Reference	Waltham 650
Movement Type	Manual
Diameter (Lignes)	—
Diameter (mm)	14.66 mm
Height / Thickness	3.4 mm
Jewel Count	17 Jewels
Beat Rate / Frequency	18,000 BPH
Lift Angle	51°
Power Reserve	38 hours
Escapement	Swiss Lever
Production Period	1934

Historical Reference & Restoration Notes

The Waltham 650 is a celebrated example of vintage precision engineering. Featuring 17 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 antiquewrist.com.