Tissot 43A Movement Specifications, Beat Rate & Dimensions

Technical Caliber Datasheet

Manufacturer	Tissot
Caliber Reference	Tissot 43A
Movement Type	Manual
Diameter (Lignes)	—
Diameter (mm)	43.0 mm
Height / Thickness	4.5 mm
Jewel Count	15 Jewels
Beat Rate / Frequency	18,000 BPH
Lift Angle	51°
Power Reserve	38 hours
Escapement	Swiss Lever
Production Period	1931

Historical & Mechanical Notes

The Tissot 43A is a celebrated example of vintage precision engineering. Featuring 15 jewels and operating at 18,000 BPH, surviving examples are prized by collectors and restorers.