Da Vinci Family

Da Vinci Perpetual Calendar Digital Date-Month

reference 3761

One hundred and twenty-five years after the Pallweber, the first “digital watch” in its history, IWC unveiled the Da Vinci with perpetual calendar, a digital date display and, for the first time ever, the month in large digits. The 89800 calibre comprising 474 individual parts builds up a power reserve of 68 hours.

Highlights

  • Mechanical chronograph movement
  • Perpetual calendar
  • Digital display of date and month
  • Flyback function
  • Case Dimensions 44 x 52.8 mm
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A BIG DATE FOR THE PERPETUAL CALENDAR

In 1884, IWC secured the rights to the Pallweber system, developed by Joseph Pallweber, a Salzburg watchmaker, and started producing the first “digital” watches in IWC’s history. These did not show the time on an analogue display with hands, but with numerals in separate windows. Only the seconds continued to be indicated by a hand. In 2009, 125 years later, IWC presented a new departure in the world of watchmaking: the Da Vinci Perpetual Calendar Digital Date-Month with digital displays for both the date and, for the first time, even the month with large numerals. The power required to switch both month and date discs at the end of the month is accumulated in the spring over the course of the entire month in a quick-action switch specially developed for this purpose. At the end of the month, the energy is released and ensures that the displays are advanced, even if the digital leap year also needs to be switched at the same time. The chronograph can run continuously without having any noticeable effect on the watch’s rate and, thanks to the flyback function, can be reset to zero without first having to be stopped. The IWC-manufactured 89800 calibre consists of 474 individual parts and builds up a power reserve of 68 hours. The movement is a miniature powerhouse, in every sense of the term, and a massive watchmaking achievement.

Variations

Details

  • Reference IW376107
  • Case Material 18-carat rose gold
  • Bracelet/Strap dark brown alligator leather strap
  • Dial Colour silver-plated
  • Jewels 52
  • Calibre 89800
  • Mechanical chronograph movement
  • Self-winding
  • 68-hour power reserve when fully wound
  • Perpetual calendar with crown-activated rapid advance
  • Large double-digit displays for both the date and month
  • Leap year display
  • Stopwatch function with hours, minutes and seconds
  • Hour and minute counters combined in a single totalizer at 12 o'clock
  • Flyback function
  • Small hacking seconds
  • Screw-in crown
  • Sapphire glass, convex, antireflective coating on both sides
  • See-through sapphire-glass back
  • Water-resistant 3 bar
  • Case height 16.3 mm
  • Case dimensions 44 x 52.8 mm

Watch Viewer

  • IW3761 Watch Front
  • IW3761 Watch Back

Enlarge

Digital Date Display

IWC produced the first “digital” watches in its history as early as 1884. The “Pallweber watches”, as they were known, displayed the hours and minutes using numerals, while the seconds were shown in analogue form with a hand. In 2009, IWC unveiled a surprise for watch lovers in the form of a newly developed perpetual calendar movement, which shows not only the date but also – for the first time in an IWC watch – the month in large numerals. The energy required to advance the month display discs is built up continuously throughout the month by a quick-action switch. A spring-loaded lever on the quick-action switch is lifted a tiny bit further each day by a cam. At the end of the month, the tension in the spring has reached its maximum, and it is time for all that energy to be released; the quick-action switch jumps instantaneously to its starting position and advances both of the month display discs individually, or together, by one position, depending on the month. On 31 December, the leap year disc is also advanced at the same time.

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3 comments

  • gsk721g 7 months, 1 week ago

    This watch is a miracle! Am saving up for this flawless beauty.

  • greg.hernandez 4 months, 1 week ago

    Prego

  • teeveetee 2 weeks, 4 days ago

    gorgeous watch, looking forward to seeing (and owning?) this one day with black dial!

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