This watch is also known as:
IW3714-04 , 3714-04 , IW371404 .
The rugged IWC Portuguese Portuguese Chrono-Automatic Model #371404 (IW3714-04) features soft iron inner case for magnetic field protection. This stunning automatic men's watch with stop watch functions uses Calibre 79240 engine with 44-hour power reserve.
A double-coated, convex, pressure-drop resistant sapphire crystal protects the sporty IWC Portuguese Chrono-Automatic 371404 black dial with silver hands and Arabic numeral markers and two white sub-dials with blue hands -- seconds sub-dial at 6 o'clock position and 30-minute indicator at 12 o'clock position.
The IWC Portuguese Chrono-Automatic 371404 is housed in 41-mm stainless steel case, fixed bezel, screw-down crown and black crocodile leather strap with stainless steel deployant clasp. For added peace of mind, this watch is water resistant to 30 meters (100 feet) which makes it suitable for splashing and light rain but not for swimming or diving.