IWIW391010-Portofino Chronograph

Recent Collections, 2012

IW391010

Portofino Chronograph

Price excluding taxes and including shipping.
Price excluding taxes and including shipping.

Stainless steel case, Automatic, self-winding, Diameter 42.0 mm.

Made in Schaffhausen, Switzerland.

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Limited Availability – contact us to purchase over the phone
Limited Availability – Please contact us to reserve this item
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An IWC Schaffhausen Concierge will be happy to help you complete your purchase or answer any questions

Or send us a message through our online form 


See technical details

An IWC Schaffhausen Concierge will be happy to help you complete your purchase 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 bar

Movement

Movement

  • 75320 Calibre
  • Automatic, self-winding
  • 44 hours Power Reserve
  • Frequency 28800.0 vph (4.0 hz)
  • 240 Components
  • 25 Jewels
  • Côtes de Genève, perlage

Features

Features

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

dial

dial

  • Black dial

Strap

Strap

  • Milanaise mesh stainless steel bracelet
  • Strap width 20.0 mm

 

 

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.

 

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