IWC Portofino Portofino Chronograph Stainless Steel / Silver
Reference IW3910-31
About this watch
The IWC IW3910-31 Portofino Chronograph is a masterpiece of horology, exuding sophistication with its sleek stainless steel case and silver dial. The elegant design works seamlessly for any occasion, from formal events to casual outings. Powered by the reliable IWC caliber 75320 automatic movement, this watch boasts a chronograph function and date/day display, making it incredibly functional. With a water resistance of 30 meters and a comfortable leather strap, this timepiece is both stylish and durable. Whether you're an avid collector or just starting your watch journey, the IWC IW3910-31 Portofino Chronograph is sure to leave a lasting impression.
Key Features
- 42mm stainless steel case
- IWC caliber 75320 automatic movement
- Sapphire glass crystal
- 30m water resistance
- Chronograph function and date/day display
- Leather strap with classic elegance
Specifications
- Brand
- IWC
- Family
- Portofino
- Model
- Portofino Chronograph Stainless Steel / Silver
- Reference
- IW3910-31
- Movement
- 75320
- Movement Features
-
- Hours, Minutes, Small Seconds
- Date, Day
- Chronograph
- Case
- Stainless Steel 42mm
- Dial Color
- Silver
- Crystal
- Sapphire
- Water Resistance
- 30
Current Listings
![[WTS] IWC Portofino Chronograph IW391031 Silver Dial, Full Set 2019](https://preview.redd.it/h9ec9k5y18wg1.jpg?width=640&crop=smart&auto=webp&s=396054911a530ce17f7a88b452f6e11842588911)
![[WTS] 2019 IWC Portofino Chronograph Blue IW391036 42mm Full Set - $4,995](https://preview.redd.it/wnaupypaozwg1.jpg?width=640&crop=smart&auto=webp&s=28d74131b631d0f4a34176313440bd86b09a8c87)
2019 IWC Portofino Chronograph Blue IW391036 42mm Full Set - $4,995
A blue-dialed Portofino Chronograph from IWC, featuring a 42mm case size.
- Condition: Excellent condition with minimal signs of wear
- Case size: 42mm
- Movement status: Running well
![[WTS] IWC Portofino Ref. IW391030 Day-Date Chronograph on Bracelet](https://preview.redd.it/k30qz4akbzwg1.jpg?width=640&crop=smart&auto=webp&s=301c8fd356c28ca95077a7f781844d3f848730cb)
IWC Portofino Ref. IW391030 Day-Date Chronograph on Bracelet
This IWC Portofino Chronograph Reference IW391030 features a polished stainless steel case and a classic black dial adorned with rhodium-plated appliqués and sleek leaf-style hands.
- Condition: Excellent, some light wear
- Material: Stainless Steel
- Function: Time, Day & Date
- Dial color: Black
![[WTS] IWC Portofino Automatic IW356504 18K Rose Gold 40MM Silver Dial Automatic](https://preview.redd.it/v8lre35zrywg1.png?auto=webp&s=74607a8808744e323d0dff3011f9e70e45f3ba9a)
IWC Portofino Automatic IW356504 18K Rose Gold 40MM Silver Dial Automatic
The IWC Portofino Automatic IW356504 is a 40mm watch crafted in elegant 18K rose gold, featuring an original brown leather strap and matching rose gold buckle. The warm rose gold case pairs beautifully with the original factory dial and hands.
- Condition: Excellent/Near Mint
- Case size: 40mm diameter
- Movement: Automatic, IWC Movement
- Dial: Original Factory Dial and Hands
![[WTS] 2021 IWC Portofino Chronograph White IW391027 42mm Full Set - $4,395](https://preview.redd.it/w9vl8u3qb8wg1.jpg?width=640&crop=smart&auto=webp&s=871dce9e7f0879e8f5c4dfd0f5d63dd0d1578846)
2021 IWC Portofino Chronograph White IW391027 42mm Full Set - $4,395
This is a 2021 IWC Portofino Chronograph White, featuring a chronograph function and a 42mm diameter case.
- Condition: Excellent condition with minimal signs of wear
- Size: 42mm diameter
- Year: 2021
![[WTS] 2019 IWC Portofino Chronograph Blue IW391036 42mm Full Set - $5,095](https://preview.redd.it/zm1q9lrwn0wg1.jpg?width=640&crop=smart&auto=webp&s=520311a80ff71c027c640c0b5d95cb75f6a5f914)
2019 IWC Portofino Chronograph Blue IW391036 42mm Full Set - $5,095
This IWC Portofino Chronograph Blue is a 2019 model, reference IW391036, featuring a blue dial and chronograph function. It's in excellent condition and has been thoroughly tested on a timegrapher.
- Condition: Excellent condition with minimal signs of wear
- Case size: 42mm diameter
- Water resistance: 30m depth rating
![[WTS] IWC Portofino Automatic Moon Phase Limited Edition Year of the Snake Ref IW459604 37mm Full Kit 2025 $7,900](https://preview.redd.it/raexq7b5wzvg1.jpg?width=640&crop=smart&auto=webp&s=242a7935ffcfceab6886e7b0c0e274b93dea3897)
IWC Portofino Automatic Moon Phase Limited Edition Year of the Snake Ref IW459604 37mm Full Kit 2025 $7,900
A limited-edition IWC Portofino Automatic Moon Phase watch with a 37mm polished stainless steel case and burgundy/red dial. The watch features a moon phase display, a snake-shaped solid 18k 5N gold rotor, and an IWC-manufactured Calibre 32800 automatic movement.
- Condition: great
- Case size: 37.1mm
- Thickness: 11.3mm
- Dial color: burgundy/red
![[WTS] 2022 IWC Portofino Chronograph ref: IW391037 - full set](https://preview.redd.it/w4es805cftvg1.jpg?width=640&crop=smart&auto=webp&s=7d9ffec90ba6a490c7bc9c78a58dbcf5758a1936)
2022 IWC Portofino Chronograph ref: IW391037 - full set
The IWC Portofino Chronograph IW391037 is a watch that brings together precision and heritage in a design that feels both purposeful and refined. It features a crisp, white dial with deep blue hands on a blue alligator strap, along with three chronograph subdials and the day and date at the 3 o'clock position.
- Condition: Very good pre-owned condition
- Case size: 42mm diameter
- Movement type: Automatic
![[WTS] 2019 IWC Portofino Automatic ref: IW356519 - Full set](https://preview.redd.it/ik523krvbtvg1.jpg?width=640&crop=smart&auto=webp&s=8352180058e0827e227c7f75a00f1a5c6d78c5db)
2019 IWC Portofino Automatic ref: IW356519 - Full set
The IWC Portofino Automatic Edition '150 Years' is a limited jubilee collection edition watch with a 40mm case size, crisp white dial, and date display at the 3:00 position. It features a 42-hour power reserve and 30 meters of water resistance.
- Condition: Very good pre-owned condition with very faint signs of wear
- Case size: 40mm diameter
- Water resistance: 30 meters