IW381701

Ingenieur Perpetual Calendar Digital Date-Month

The flagship of the Ingenieur family with a digital perpetual calendar, chronograph and imposing 18-carat red gold case is limited to 100 watches.

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IW381701

Ingenieur Perpetual Calendar Digital Date-Month Add to Wishlist

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  • Automatic, self-winding
  • Black alligator leather strap
  • Diameter 45.0 MM

You may return your purchase via FedEx to the Customer Contact Center within thirty (30) days of receipt for exchange or a refund to the original credit card.

IWC will accept products returned to us within thirty (30) days of the date of the delivery, in its original packaging in a new and unused state, with all materials and documents included and in accordance with the Conditions of Sale.

Personalized IWC products (engraved or otherwise) cannot be returned to IWC for exchange or refund. All returns will be subject to strict Quality Control (QC) by IWC to ensure that the returned products satisfy these requirements. If the products do not meet QC standards, IWC will refuse the return, and the products will be sent back to the Customer or the Gift Recipient, as applicable. If the returned product satisfies Quality Control (QC), IWC will proceed with the applicable refund or exchange.

 

This watch is available in different materials and colours

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THE STORY

The Ingenieur Perpetual Calendar Digital Date-Month is the flagship of the Ingenieur family. The design is inspired by the very first Ingenieur models and features a simple round case and polished bezel. The perpetual calendar with large digital date and month displays, which can be easily set using the crown, recognizes the different lengths of the months and takes into account the leap day every 4 years. The IWC-manufactured 89801-calibre movement also features a chronograph function. This timepiece has a 45-millimetre case made from 18-carat red gold, a silver-plated dial, black hands and a black alligator leather strap, and is limited to 100 watches.

Specifications

case

  • Diameter 45.0 MM
  • Height 17.4 MM
  • Screw in crown
  • See-through sapphire glass back
  • Water resistance 12 bar

Movement

  • 89801 Calibre
  • Automatic, self-winding
  • Frequency 28800.0 vph (4.0 hz)
  • 51 Jewels
  • 68 hours Power Reserve
  • IWC-manufactured movement
  • Côtes de Genève, perlage

Features

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

dial

  • Silver-plated dial with luminescence

Strap

  • Black alligator leather strap
Calibre Family 89000

Calibre Family 89000

The 89000-calibre family includes powerful chronograph movements with flyback function, which are used, for example, for the big digital date and month displays or for watches that display stopped hours and minutes on a subdial.

Perpetual calendar with digital date and month displays

Perpetual calendar with digital date and month displays

The perpetual calendar with four display discs consists of 185 individual parts and shows the date and month with large digits in separate windows. It also features a leap year display in a small window.

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