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Past Collections, 2009

IW378402

Big Ingenieur Chronograph

18 ct 5N gold Case, Automatic winding.

Made in Switzerland

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Please contact us to reserve this item
Limited Availability – contact us to purchase over the phone

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Our Concierge will be happy to help you complete your purchase, find out availability in our boutiques or answer any questions

Or send us a message through our online form. 


See technical details

Our Concierge will be happy to help you complete your purchase, find out availability in our boutiques or answer any questions

Or send us a message through our online form. 

IW378402 Specifications

Case

Case

  • 18 ct 5N gold Case
  • Water resistance 12.0 bar

Movement

Movement

  • 89360 Calibre
  • IWC-manufactured movement
  • Automatic winding
  • 68 Power Reserve Indicator
  • Frequency 28800.0 VPH (4.0 Hz)
  • 288 Components
  • 40 Jewels
  • Côtes de Genève

Features

Features

  • Small hacking seconds
  • Sapphire glass, convex, antireflective coating on both sides
  • Date display
  • Flyback function
  • Chronograph function with minutes and seconds

dial

dial

  • Black dial

Strap

Strap

  • Brown alligator leather strap
  • Strap width 29.0 mm
INGENIEUR collection image
INGENIEUR collection image

Official Documents

Make the most out of your IWC watch to make it last longer. Here’s all the useful information for its maintenance.

 

 

Care for your IWC Watch

 

Like any precision mechanical instrument, a watch from IWC Schaffhausen needs regular care and maintenance.

Learn more about your watch and how to maintain it. 

 

Complete Service

 

It involves a full overhaul of the timepiece and is a complex, largely manual task that takes several hours.

 

 

 

HOW-TO TIPS

 

Learn how to clean your watch, wind it and more in our six-part “How To…” video series.

 

 

 

 

FAQS

 

If you can’t find answers to your questions here, please feel free to contact a member of our service staff.