IWC Portugieser

Portugieser Annual Calendar Edition “Tribeca Film Festival 2016”

  • Price
  • Reference IW503506
  • Case Material stainless steel
  • Bracelet/Strap black alligator leather strap
  • Dial Colour slate-coloured
  • Jewels 36
  • Calibre 52850
  • Mechanical movement
  • Pellaton automatic winding
  • IWC-manufactured 52850 calibre
  • 7-day power reserve when fully wound
  • Power reserve display
  • Annual calendar with displays for the date, day and month
  • Small hacking seconds at 9 o’clock
  • Glucydur®* beryllium alloy indexless balance with high-precision adjustment screws on balance rim
  • Breguet spring
  • Sapphire glass, arched edge, antireflective coating on both sides
  • See-through sapphire-glass back
  • Water-resistant 3 bar
  • Case height 15.3 mm
  • Diameter 44.2 mm
  • * IWC Schaffhausen is not the owner of the Glucydur® trademark.

Annual Calendar

Located at “12 o’clock” on the dial, IWC’s annual calendar shows the month, date and day in three separate windows. The mechanism automatically takes into account the differing lengths of individual months. Unlike a perpetual calendar, however, the annual calendar is unable to make allowance for the leap days in February or the leap years. Once a year, then, at the end of February, it requires manual correction. In the case of IWC’s annual calendar, the correction is made simply, via the crown. The hour wheel sets in motion the date advance wheel, which is equipped with two different advance fingers. One of the fingers is responsible for the date and month displays, the other for the weekday. Every night, towards midnight, the date is moved forward with the help of the upper advance finger. Two pins on the date disc control the month display and the programme wheel that defines the various lengths of the months. The first of these pins advances the programme wheel by one division. A feeler recognizes 30-day months on the advance lever. The feeler registers a deeper insert on the programme wheel and makes more space available for the advance. The following day, the advance lever moves the date forward by 2 days.

IWC Schaffhausen’s Tribute To Tribeca Film Institute

The Portugieser Annual Calendar Edition “Tribeca Film Festival 2016” is powered by the IWC-manufactured 52850 calibre. Located at “12 o’clock” on the dial, IWC’s annual calendar shows the month, date and day in three separate, semicircular windows. The “American” order in which the date is shown was not only necessary from a technical and design point of view, but is also homage to F. A. Jones, IWC’s American founder. With its voluminous 44.2-millimetre case, grooved bezel, classic railway-track-style chapter ring, slim feuille hands and Arabic numerals, the Portugieser Annual Calendar very closely resembles the original Portugieser of 1939, a veritable design icon. The dial is a subtle slate colour which embodies the New York City streets to honour the Tribeca Film Festival, while the small seconds subdial and the power reserve display are Bordeaux-coloured, symbolizing the red carpets – a glamorous mainstay of the film industry often visible around the world, from film premieres to award shows. The oscillating weight bears the logo of the Tribeca Film Festival, and the milled lettering 01/50 is a reminder that only very few watch lovers will be able to secure this extra-special edition.

reference 5035

IWC Schaffhausen’s dedicated passion for the world of film-making continues as it marks its fourth year as Official ‘Festival-Time’ Partner of the Tribeca Film Festival©. The Swiss watchmaker will again honour the festival with a special edition, the Portugieser Annual Calendar Edition “Tribeca Film Festival 2016”.


  • Pellaton automatic winding
  • IWC-manufactured 52850 calibre
  • 7-day power reserve
  • Annual calendar with month, date and day
  • Diameter 44.2 mm


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