Brand: IWC

Series: Portuguese series

Movement type: mechanical automatic or manual winding movement (such as Calibre 52010, Calibre 89361, etc.)

Case material: stainless steel, stainless steel or precious metal (such as 18K gold)

Watch diameter: usually between 40 mm and 44 mm

Dial color: classic white, silver or black dial, some models with blue hands

Watch mirror: sapphire crystal glass with anti-reflective coating

Function: hours, minutes, seconds display, some models with date, chronograph, power reserve display,

 flyback chronograph and other complex functions

Strap: high-grade crocodile leather or calf leather strap

Waterproof performance: generally 3 bar (about 30 meters)

Power reserve: about 42 hours to 7 days, depending on the specific movement