Iwc, Engineer Series, Titanium Double Calendar Chronograph, Model: IW386501, rare titanium Double Hand Chronograph Engineer. The entire watch is made of titanium, which is lightweight and wear-resistant. It has a 45mm silver dial with luminous hour markers and hands. It features a three-sub-dial double hand chronograph function with practical double calendar display. It is equipped with the 79420 automatic winding movement and is water-resistant to 120 meters! Blank date card large box, top-quality complete set!