Portofino Automatic 37 Case Size_29 polished steel case houses a

polished steel case houses a ceramic blue 60-minute scale unidirectional bezel

12 hours counter at 6 o'clock and 30 minutes counter at 9 o'clock

Balance Frequency: 28800 (4Hz)

Breitling’s Huit Aviation department made its name inventing precision cockpit clocks

Portofino Automatic 37 Case Size_29 polished steel case houses aThe Portofino Automatic 37 features the IWC manufactured 32111 caliber and a see through sapphire glass back displaying the movement. Overview Reference: IW458602 Dial Color: Green Case: Stainless steel Strap: Stainless steel bracelet with quick change system View all compatible straps Diameter: 37 mm Movement: Automatic, self winding, IWC manufactured movement Features Sapphire glass, convex, antireflective coating on both sides Central hacking