Ingenieur Perpetual Calendar Digital Date-Month

  • Ingenieur Perpetual Calendar Digital Date-Month
IW381802

Ingenieur Perpetual Calendar Digital Date-Month


About this watch
  • Titanium case,
  • Automatic, self-winding,
  • Diameter 45.0 mm.
  • Made in Schaffhausen, Switzerland.

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The Story

The Ingenieur Perpetual Calendar Digital Date-Month is the flagship of the Ingenieur family. The design, with its simple round case and the polished bezel, is inspired by the first generations of Ingenieur models from the 1950s and 1960s. This timepiece has a case measuring an imposing 45 millimetres made of titanium, and is limited to 100 individually numbered pieces. It has a slate-coloured dial and black hands with luminescence. The perpetual calendar displays the date and month in large digital displays on the dial, and is mechanically programmed to recognise the different lengths of the months and even adds a leap day at the end of February every four years. A chronograph with flyback function is an additional feature of the IWC-manufactured 89801-calibre movement. The rotor of the automatic winding system is made of solid 18-carat gold and can be seen through the transparent sapphire glass back.

Specifications

Case

    Titanium case Diameter 45.0 mm Height 17.4 mm Screw in crown See-through sapphire glass back Water resistance 12 bar

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

    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

    Slate-coloured dial with luminescence

Strap

    Black calfskin strap Strap width 22 mm

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