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Past Collections, 2019

IW381802

Ingenieur Perpetual Calendar Digital Date-Month

Titanium Case, Automatic winding, Diameter 45.0 mm.

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. 

IW381802 Specifications

Case

Case

  • Titanium Case
  • Diameter 45.0 mm
  • Height 17.4 mm
  • Screw in crown
  • See-through sapphire glass back
  • Water resistance 12.0 bar

Movement

Movement

  • 89801 Calibre
  • IWC-manufactured movement
  • Automatic winding
  • 68 Hours power reserve
  • Frequency 28800.0 VPH (4.0 Hz)
  • 474 Components
  • 51 Jewels
  • Côtes de Genève

Features

Features

  • Small hacking seconds
  • Rotor in 18-carat 5N gold
  • Sapphire glass, convex, antireflective coating on both sides
  • Flyback function
  • Hour and minute counters combined in a totalizer at 12 o’clock
  • Chronograph function with hours, minutes and seconds
  • Perpetual calendar with large double-digit displays for date and month and leap year display
  • Limited to 100 pieces

dial

dial

  • Grey dial with luminescence

Strap

Strap

  • Black calfskin strap
  • Strap width 22.0 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.

 

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