IWC Portofino Portofino Chronograph Stainless Steel / Black
Reference IW3910-02
About this watch
The IWC IW3910-02 Portofino Chronograph is a masterpiece of luxury watchmaking, seamlessly blending style with functionality. Its sleek stainless steel case and striking black dial make it a statement piece that commands attention without being ostentatious. The polished finish reflects light beautifully, enhancing its luxurious feel. Equipped with sapphire crystal, the watch is not just beautiful but also durable, with scratch resistance ensuring that your timepiece remains pristine even after years of wear. Under the hood, the IW3910-02 boasts the IWC caliber 79230, an automatic chronograph movement designed for precision and reliability. With a power reserve of 44 hours and 29 jewels, it's perfect for everyday wear and special occasions. The watch features a chronograph function with rattrapante (or split-seconds) capability, allowing you to time multiple events simultaneously. Its comfortable profile on the wrist makes it suitable for any occasion, from work to leisure activities. Whether you're in a corporate environment or looking for a stylish accessory, this watch offers something for everyone.
Key Features
- 42mm Stainless Steel Case
- Black Dial with Stick and Dot Indexes
- IWC Caliber 79230 Automatic Chronograph Movement
- Rattrapante (Split-Seconds) Functionality
- Sapphire Crystal for Scratch Resistance
- Water Resistance up to 30m
- 42hr Power Reserve
Specifications
- Brand
- IWC
- Family
- Portofino
- Model
- Portofino Chronograph Stainless Steel / Black
- Reference
- IW3910-02
- Movement
- 79230
- Movement Features
-
- Hours, Minutes, Small Seconds
- Date, Day
- Chronograph, Rattrapante
- Case
- Stainless Steel 42mm
- Dial Color
- Black
- Crystal
- Sapphire
- Water Resistance
- 30
Current Listings
IWC Portofino Chronograph Black Dial Automatic IW391002
The IWC Portofino Chronograph Black Dial Automatic IW391002 is a men's watch featuring a stainless steel case and mechanical automatic movement. It has a chronograph function and date display.
- Condition: 95%
- Size: 42mm
- Function: Chronograph ; Date
- Case Material: Stainless Steel
![[WTS] 2021 IWC Portofino Chronograph White IW391027 42mm Full Set - $4,395](https://preview.redd.it/v8trb6g7u41h1.jpg?width=640&crop=smart&auto=webp&s=b066caef86802e393fe61b87ec2544f4f2f1abba)
2021 IWC Portofino Chronograph White IW391027 42mm Full Set - $4,395
A 2021 IWC Portofino Chronograph White, a 42mm chronograph watch featuring a white dial.
- Condition: Excellent condition with minimal signs of wear
- Year: 2021
- Size: 42mm diameter
- Contents: Box, Travel Case, International Warranty Card, Instructions Manual
![[WTS] 2025 NEW IWC Portofino Chronograph Black IW391404 39mm Full Set - $5,995](https://preview.redd.it/2xwwm0unt41h1.jpg?width=640&crop=smart&auto=webp&s=b45fa1fe2807393fa5a44e46e680cc783c1c630a)
2025 NEW IWC Portofino Chronograph Black IW391404 39mm Full Set - $5,995
Up for sale is a IWC Portofino Chronograph Black, a 39mm timepiece with chronograph functionality.
- Condition: New condition
- Year: 2025
- Case size: 39mm
![[WTS] 2021 IWC Portofino Chronograph White IW391027 42mm Full Set - $4,395](https://preview.redd.it/avlnylqo3m0h1.jpg?width=640&crop=smart&auto=webp&s=ab87546b8f29434c26ea746f02c95cb3a8387b73)
2021 IWC Portofino Chronograph White IW391027 42mm Full Set - $4,395
A 2021 IWC Portofino Chronograph White, a 42mm watch in excellent condition.
- Condition: Excellent condition with minimal signs of wear
- Case size: 42mm diameter
- Shipping method: Fedex
- Insurance included: true
![[WTS] 2015 IWC Portofino Chronograph | Complete set | Cheapp](https://preview.redd.it/834ueh548e0h1.jpg?width=640&crop=smart&auto=webp&s=8b07b0cbb7d1b67b883882b51b807043d94b7134)
2015 IWC Portofino Chronograph | Complete set | Cheapp
This Portofino is a timeless classic — elegant, refined, and versatile. The chronograph adds useful functionality without detracting from the dress-watch feel, making this a great addition for both daily wear and special occasions.
- Condition: Good pre-owned
- Case Size: 42mm
- Movement: IWC automatic chronograph
- Includes: Original IWC box, IWC warranty card, stainless steel mesh bracelet
![[WTS] 2018 IWC Portofino Chronograph 42mm Ref IW391008 | Box & Papers](https://preview.redd.it/zvw2lh1l670h1.jpg?width=640&crop=smart&auto=webp&s=5e0cb819c83a4882ea80c14c40981fe98e0e457b)
2018 IWC Portofino Chronograph 42mm Ref IW391008 | Box & Papers
a classy IWC Portofino Chronograph in 42mm size with black dial and automatic movement
- Condition: good preowned condition with normal wear
- Movement Type: Automatic
- Power Reserve: 44 hours
- Case Size: 42mm diameter
![[WTS] 2025 NEW IWC Portofino Chronograph Black IW391404 39mm Full Set - $5,995](https://preview.redd.it/zhn4zh2tp40h1.jpg?width=640&crop=smart&auto=webp&s=0309cf974b243bb32197abac2e13781dd87c113a)
2025 NEW IWC Portofino Chronograph Black IW391404 39mm Full Set - $5,995
This is a brand new IWC Portofino Chronograph Black with a 39mm case size, featuring a chronograph function.
- Condition: New condition
- Case size: 39mm diameter
![[WTS] 2025 NEW IWC Portofino Chronograph Black IW391404 39mm Full Set - $5,995](https://preview.redd.it/791i8rt4lqzg1.jpg?width=640&crop=smart&auto=webp&s=20352f0dafacfc58f44f626b1fd2f294eb2bd818)
2025 NEW IWC Portofino Chronograph Black IW391404 39mm Full Set - $5,995
Up for sale is a new IWC Portofino Chronograph Black, a 39mm watch with chronograph functionality.
- Condition: New condition
- Year: 2025
- Case size: 39mm
- Contents: Watch,Box,Travel Case,International Warranty Card,Instructions Manual
![[WTS] 2025 NEW IWC Portofino Chronograph Black IW391404 39mm Full Set - $6,795](https://preview.redd.it/4u0pmkk90ryg1.jpg?width=640&crop=smart&auto=webp&s=a032f524e6bede09903a5fb9f65880527ecdb8b6)
2025 NEW IWC Portofino Chronograph Black IW391404 39mm Full Set - $6,795
2025 IWC Portofino Chronograph Black in new condition, a 39mm chronograph watch.
- Condition: New condition
- Case Size: 39mm diameter