Features:
Perpetual calendar with date, day, month, year & moon phase
Pellaton automatic winding system
Central hacking seconds
Convex sapphire crystal with anti-reflective coating
Glass secured against pressure displacement
IWC EasX-CHANGE® strap system
Additional accessory strap included
Screwed-in crown with transparent case back

Specifications:
Reference: IW329601
Dial Color: Blue
Case Material: Stainless steel
Diameter: 42 mm
Height: 14 mm
Water Resistance: 10 bar
Strap: Blue rubber strap
Strap Width: 21 mm
Buckle Width: 18 mm
Case Back: Synthetic sapphire crystal

Movement:
Calibre: 82665
Type: Automatic, self-winding
Power Reserve: 60 hours
Frequency: 28,800 Vph (4 Hz)
Components: 283
Jewels: 34

Material:
Stainless steel case
Blue rubber strap
Sapphire crystal (front & back)