Da Vinci Tourbillon Retrograde Chronograph

18 ct 5N gold case, Automatic, self-winding, Diameter 44.0 mm, Dark brown alligator leather strap by Santoni, Strap width 22.0 mm.

case

• 18 ct 5N gold case
• Diameter 44.0 mm
• Height 16.8 mm
• See-through sapphire glass back
• Water resistance 3 bar

Movement

• 89900 Calibre
• IWC-manufactured movement
• Automatic, self-winding
• 68 hours Power Reserve
• Frequency 28800.0 vph (4.0 hz)
• 375 Components
• 42 Jewels
• Côtes de Genève, perlage

Features

• Flying minute tourbillon
• Hacking tourbillon mechanism
• Chronograph function with hours, minutes and seconds
• Hour and minute counters combined in a totalizer at 12 o’clock
• Flyback function
• Retrograde date display
• Sapphire glass, arched-edge, antireflective coating on both sides