Panerai Calibre OP IV Movement

Caliber: OP IV

Base Movement: Zenith El Primero

Movement Type: Automatic

Complications: Hours, Minutes, Small Seconds, Date, & Chronograph

Years Introduced: 

Power Reserve: 50 Hours

Jewels: 31

Vibration: 36,000 vph

COSC Certified – Yes

Panerai Watches with this movement:

PAM074 Luminor Chrono
PAM072 Luminor Chrono
PAM052 Luminor Chrono
PAM108 Luminor Chrono Automatic Ti/Steel AMG
PAM121 Luminor Chrono
PAM122 Luminor Chrono