IWC Portugieser Chronograph IW371611

Features:
Hours, minutes & small hacking seconds
Chronograph function

Specifications:
Movement: Automatic IWC Calibre 69355
Power Reserve: 46 hours 
Frequency: 28,800 vph (4.0 Hz)
Jewels: 27
Water Resistance: 3 bar / 30 meters / 100 feet

Case:
Material: 18k Rose Gold
Diameter: 41 mm
Height: 13 mm
Caseback: See-through sapphire glass back
Crystal: Sapphire crystal with anti-reflective coating

Dial:
Design: Silver-coloured dial
Hands: Rose gold tone hands with blued steel seconds and minute counter hand
Markers: Rose gold tone indexes

Band
Dark brown alligator strap with pin buckle
Strap size: 20 mm