Logo Antique Watchworld

Unitas 87 Movement Specifications, Beat Rate & Dimensions

 Logo
Home > Unitas > Unitas 87
thumb 1 thumb 2 thumb 3 thumb 4 thumb 5 thumb 6

Technical Caliber Datasheet

ManufacturerUnitas
Caliber ReferenceUnitas 87
Movement TypeManual
Diameter (Lignes)—
Diameter (mm)39.7 mm
Height / Thickness3.7 mm
Jewel Count16 Jewels
Beat Rate / Frequency18,000 BPH
Lift Angle51°
Power Reserve38 hours
EscapementSwiss Lever
Production Period1940

Historical & Mechanical Notes

The Unitas 87 is a celebrated example of vintage precision engineering. Featuring 16 jewels and operating at 18,000 BPH, surviving examples are prized by collectors and restorers. For further technical reference on vintage watch movements, consult the NAWCC Horological Research.

Restoration enquiries: antiquewrist.com

Other Unitas Movements

Unitas 11Unitas 111Unitas 112Unitas 12Unitas 143Unitas 144Unitas 147Unitas 148
Copyright © 1985-2026 Antique Watch & Clock World. All rights reserved.