Big Ingenieur Chronograph
Ref. IW3784

• Features
  IWC minute repeater in a 44 millimetre dia -
  meter Portuguese case with a 98950 calibre
  mechanical movement, hand-wound, small
  seconds hand with stop function, limited to
  500 watches in platinum and 500 watches in
  red gold
  
• Movement
  Calibre 98950
  Vibrations 18,000 /h
  Jewels 52
  Power reserve 46 h
  Winding hand-wound
  
• Case
  Material platinum, red gold 5N
  Glass sapphire, antireflective
  Back transparent sapphire glass back
  Diameter 44mm
  Height 14 mm
  Weight
  Watch in platinum
  with black alligator leather strap 195 g
  Watch in red gold
  with brown alligator leather strap 161 g