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The holiday season is here! Place your order by December 16th to receive it in time to gift it for the holidays. IWC holiday services varies from city to city. Discover now.

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Past Collections, 2018

IW391023

Portofino Chronograph Edition “150 Years”

Stainless steel Case, Automatic winding, Diameter 42.0 mm.

Made in Switzerland

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Please contact us to reserve this item
Limited Availability – contact us to purchase over the phone

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Our Concierge will be happy to help you complete your purchase, find out availability in our boutiques or answer any questions

Or send us a message through our online form. 


See technical details

Our Concierge will be happy to help you complete your purchase, find out availability in our boutiques or answer any questions

Or send us a message through our online form. 

IW391023 Specifications

Case

Case

  • Stainless steel Case
  • Diameter 42.0 mm
  • Height 13.6 mm
  • Water resistance 3.0 bar

Movement

Movement

  • 79320 Calibre
  • Automatic winding
  • 44 Power Reserve Indicator
  • Frequency 28800.0 VPH (4.0 Hz)
  • 240 Components
  • 25 Jewels
  • Côtes de Genève

Features

Features

  • Small hacking seconds
  • Sapphire glass, convex, antireflective coating on both sides
  • Day and date display
  • Chronograph function with hours, minutes and seconds
  • Limited to 2000 pieces

dial

dial

  • Blue dial

Strap

Strap

  • Black alligator leather strap
  • Strap width 20.0 mm
JUBILEE collection image
JUBILEE collection image

Official Documents

Make the most out of your IWC watch to make it last longer. Here’s all the useful information for its maintenance.

 

 

Care for your IWC Watch

 

Like any precision mechanical instrument, a watch from IWC Schaffhausen needs regular care and maintenance.

Learn more about your watch and how to maintain it. 

 

Complete Service

 

It involves a full overhaul of the timepiece and is a complex, largely manual task that takes several hours.

 

 

 

HOW-TO TIPS

 

Learn how to clean your watch, wind it and more in our six-part “How To…” video series.

 

 

 

 

FAQS

 

If you can’t find answers to your questions here, please feel free to contact a member of our service staff.