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IWC Schaffhausen

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    IWC Schaffhausen

    IWIW378405-Big Ingenieur Chronograph

    Past Collections, 2011

    IW378405

    Big Ingenieur Chronograph

    Stainless steel case, Automatic, self-winding, Diameter 45.7 mm.

    Made in Switzerland

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

    Call to Buy Call for Information

    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. 

    IW378405 Specifications

    case

    case

    • Stainless steel case
    • Diameter 45.7 mm
    • Height 14.7 mm
    • Water resistance 12 bar

    Movement

    Movement

    • 89361 Calibre
    • IWC-manufactured movement
    • Automatic, self-winding
    • 68 hours Power Reserve
    • Frequency 28800.0 vph (4.0 hz)
    • 299 Components
    • 38 Jewels
    • Côtes de Genève, perlage

    Features

    Features

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

    dial

    dial

    • Silver-plated dial with luminescence

    Strap

    Strap

    • Black Alligator Leather Strap
    • Strap width 29.0 mm
    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.

     

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