IWIW381701-Ingenieur Perpetual Calendar Digital Date-Month

product.archive.year.header.text, 2017

IW381701

Ingenieur Perpetual Calendar Digital Date-Month Add to my wishlist

Price includes taxes and shipping.
Price includes taxes and shipping.

18 ct 5N gold case, Automatic, self-winding, Diameter 45.0 mm.

Made in Schaffhausen, Switzerland.

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Contact Concierge

An IWC Schaffhausen Concierge will be happy to help you complete your purchase or answer any questions

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See technical details

An IWC Schaffhausen Concierge will be happy to help you complete your purchase or answer any questions

Or send us a message through our online form 

IW381701 Specifications

case

case

  • 18 ct 5N gold case
  • Diameter 45.0 mm
  • Height 17.3 mm
  • Screw in crown
  • See-through sapphire glass back
  • Water resistance 12 bar

Movement

Movement

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

Features

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 5N gold
  • Small hacking seconds
  • Limited to 100 pieces

dial

dial

  • Silver-plated dial with luminescence

Strap

Strap

  • Black alligator leather strap
  • Strap width 22 mm

The Ingenieur Perpetual Calendar Digital Date-Month 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 5N gold, a silver-plated dial, black hands and a black alligator leather strap, and is limited to 100 watches.

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.

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.

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