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IWC

Portofino Chronograph

IW391007

Classic Italian elegance meets Swiss chronograph precision in 42 mm steel.

Estimated market value
$3,350
Confidence: Moderate

An estimate from current market data — not an offer. Your actual value depends on condition, completeness, and authentication.

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Overview

The IWC Portofino Chronograph reference IW391007 is a dress chronograph that distills the Portofino line's signature restraint into a 42 mm stainless steel case. Its silver dial and clean layout reflect the collection's enduring commitment to understated, Italian-inspired aesthetics. Calibre 75320 provides the movement foundation, delivering reliable timekeeping and chronograph functionality within an elegantly proportioned package.

History

The Portofino collection has long served as IWC's answer to the formal dress watch, drawing its name and spirit from the picturesque Ligurian harbour town. Reference IW391007 was introduced in 2014 as part of a broader refresh of the Portofino Chronograph family, bringing a 42 mm case size that balanced contemporary wrist presence with traditional dress-watch sensibility. The reference remained in production through 2022, making it one of the longer-running variants in the modern Portofino Chronograph lineup. Among collectors it is appreciated for its coherent, uncluttered design language and the versatility of its stainless steel case.

Notable points

  • 42 mm stainless steel case strikes a balance between dress-watch refinement and modern wearability.
  • Silver dial maintains the Portofino line's hallmark restraint, with chronograph subdials integrated without visual clutter.
  • Calibre 75320 is an IWC-manufactured movement developed specifically for the Portofino Chronograph family.
  • Produced from 2014 to 2022, the reference enjoyed an unusually long production run for a contemporary IWC dress chronograph.
  • The Portofino name references the Italian coastal village, and the collection's design ethos consistently reflects that Mediterranean, leisure-oriented inspiration.

Specifications

Brand
IWC
Collection
Portofino
Reference
IW391007
Years of production
2014 – 2022
Case
42mm Stainless steel
Case material
Stainless steel
Case diameter
42 mm
Movement
Cal. 75320
Crystal
Sapphire
Dial
Silver
Bezel
Smooth steel
Bracelet / strap
Leather strap
Water resistance
30 m
Power reserve
44 h
Complications
Chronograph, Day-Date
Type
Chronograph
Worn as
Men's
Also known as
ポートフィノ, ポルトフィーノ, 柏涛菲诺

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