The IWC Portugieser Yacht Club Chronograph, model IW390208, has a rubber-coated stainless steel case with a transparent case back, and a black rubber strap with a deployant buckle. The watch features a black dial, a convex sapphire crystal with anti-reflective coating on both sides, date display, stopwatch function and totalizer, flyback function, and 68-hour power reserve. The case measures 45.4mm. It has 38 jewels and mechanical movement with automatic winding IWC-manufactured calibre 89361.

Technical details
Movement
IWC in-house calibre 89361
Frequency: 28,800 A/h / 4 Hz
Jewels: 38
Power reserve: 68 h
Winding: automatic

Case, dial and strap
Rubber-coated stainless-steel case
Glass: sapphire, convex, antireflective coating on both sides
Caseback: see-through sapphire glass
Crown: screw-in
Water-resistant: 6 bar
Diameter: 45.4 mm ; Case height: 14.5 mm
Black dial
Black rubber strap, folding clasp in stainless steel