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Past Collections, 2012

IW391010

Portofino Chronograph

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. 

IW391010 Specifications

Case

Case

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

Movement

Movement

  • 75320 Calibre
  • Automatic winding
  • 44 Power Reserve Indicator
  • Frequency 28800.0 VPH (4.0 Hz)
  • 240 Components
  • 25 Jewels

Features

Features

  • Sales Arguments 57
  • Small hacking seconds
  • Sapphire glass, convex, antireflective coating on both sides
  • Day and date display
  • Chronograph function with hours, minutes and seconds

dial

dial

  • Black dial

Strap

Strap

  • Milanaise mesh stainless steel bracelet
  • Strap width 20.0 mm
PORTOFINO collection image
PORTOFINO 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.