Ingenieur Family

Ingenieur Chronograph Silberpfeil

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reference 3785

The Ingenieur Chronograph Silberpfeil with its stopwatch, tachymeter scale and flyback function breathes fresh life into the legend of the historic Mercedes-Benz racing car. One characteristic feature is the circular-grain dial. This is a tribute to the legendary Mercedes Silver Arrow W25, whose dashboard had a steel surround with a similar circular-grain decoration.

Highlights

  • Limited Edition
  • Mechanical chronograph movement
  • 68-hour power reserve
  • Stopwatch function with hours, minutes and seconds
  • Combined hour and minute counters
  • Flyback function

Price: $13,100

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HOMAGE TO A LEGEND

With the Ingenieur Chronograph Silberpfeil, IWC has breathed fresh life into the legend of the historic Mercedes-Benz racing car. One characteristic feature is the dial with its circular graining in silver or brown. This is a tribute to the mythical status of the Mercedes Silver Arrow W 25, whose dashboard had a steel surround with circular-grain decoration. The efficient double-pawl winding in the IWC-manufactured 89361 calibre is one of the most outstanding achievements of haute horlogerie currently on offer. The upper totalizer makes it possible to read off stopped hours and minutes as simply as the time on a subdial. Stopped times up to one minute are measured by the central seconds hand. Used in combination with the tachymeter scale, this provides the speed at which a reference distance of 1,000 metres has been completed. Another very practical feature for anyone who frequents the world’s racing circuits is the flyback function for measuring pit-stop times. The chronograph features a black rubber strap with a brown alligator leather inlay. This, too, was inspired by the world of motorsport in the 1930s, when thick leather belts were omnipresent on motorcar bonnets. An attractive engraving of a stylized Mercedes Silver Arrow racing car can be found on the case back. Between 1934 and 1939, Mercedes-Benz chalked up countless Grand Prix and other championship victories with its Mercedes Silver Arrows. Both dial versions are available in limited editions of 1,000 watches.

Variations

Details

  • Reference IW378505
  • Case Material stainless steel
  • Bracelet/Strap black rubber strap with brown alligator leather inlay
  • Dial Colour silver-plated
  • Jewels 38
  • Calibre 89361
  • Price $13,100
  • Limited Edition of 1000 watches per variation
  • Mechanical chronograph movement
  • Self-winding
  • IWC-manufactured 89361 calibre (89000-calibre family)
  • 68-hour power reserve when fully wound
  • Date display with crown-activated rapid advance
  • Stopwatch function with hours, minutes and seconds
  • Hour and minute counters combined in a totalizer at 12 o’clock
  • Flyback function
  • Small hacking seconds
  • Screw-in crown
  • Sapphire glass, flat, antireflective coating on both sides
  • Water-resistant 12 bar
  • Case height 14.5 mm
  • Diameter 45 mm
  • Reference IW378511
  • Case Material stainless steel
  • Bracelet/Strap black rubber strap with brown alligator leather inlay
  • Dial Colour brown
  • Jewels 38
  • Calibre 89361
  • Price $13,100
  • Limited Edition of 1000 watches per variation
  • Mechanical chronograph movement
  • Self-winding
  • IWC-manufactured 89361 calibre (89000-calibre family)
  • 68-hour power reserve when fully wound
  • Date display with crown-activated rapid advance
  • Stopwatch function with hours, minutes and seconds
  • Hour and minute counters combined in a totalizer at 12 o’clock
  • Flyback function
  • Small hacking seconds
  • Screw-in crown
  • Sapphire glass, flat, antireflective coating on both sides
  • Water-resistant 12 bar
  • Case height 14.5 mm
  • Diameter 45 mm

Watch Viewer

  • IW378505 Watch Front
  • IW378505 Watch Back
  • IW378511 Watch Front
  • IW378511 Watch Back

Enlarge

The 89000-Calibre Family

Designed and manufactured completely by IWC in Schaffhausen, the 89360-calibre chronograph movement and its successor, the 89361, feature a significantly improved self-winding system and set new watchmaking standards. The design, which occupied an IWC development team for a full 4 years, was necessitated by a revolutionary chronograph display that enables the user to read off even relatively long periods of stopped times – 8 hours and 52 minutes, for example – at a glance: a circular totalizer combines the hour and minute hands as if they were a watch-within-a-watch. In 2012, it was joined by the newly developed 89365 chronograph movement including a stopwatch function with minutes and seconds as well as a flyback function. After further development, the IWC-manufactured movement was known as the 89800 calibre and used for the big digital date and month displays in References 3761 and 3791. The new Ingenieur Perpetual Calendar Digital Date-Month comes equipped with a further development on the theme, the 89802 calibre.

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