IWC Portofino Portofino Chronograph Stainless Steel / Black / Milanese
Reference IW3910-10
About this watch
The IWC Portofino IW3910-10 is a masterclass in luxury watchmaking, blending sophisticated style with precise chronograph functionality. Crafted from high-quality stainless steel, this timepiece boasts a polished finish and 42.00 mm diameter that makes it visually striking without being overwhelming on the wrist. The sapphire crystal glass ensures crystal-clear visibility while resisting scratches. At its heart lies the IWC caliber 75320 automatic movement, based on the reliable Sellita SW500-1, featuring 25 jewels and a 44-hour power reserve. This chronograph watch allows for accurate timing with hours, minutes, and small seconds displayed prominently, making it perfect for formal events or business meetings. The black dial features stick and dot indexes providing a clean look while ensuring readability. With a water resistance rating of 30 meters, this watch is suitable for everyday wear and comes equipped with an adjustable Milanese bracelet that strikes a perfect balance between comfort and style.
Key Features
- Stainless steel construction
- Sapphire crystal glass
- IWC caliber 75320 automatic movement
- Chronograph functionality
- Black dial with stick and dot indexes
- Adjustable Milanese bracelet
- 30 meter water resistance
Specifications
- Brand
- IWC
- Family
- Portofino
- Model
- Portofino Chronograph Stainless Steel / Black / Milanese
- Reference
- IW3910-10
- Movement
- 75320
- Movement Features
-
- Hours, Minutes, Small Seconds
- Date, Day
- Chronograph
- Case
- Stainless Steel 42mm
- Dial Color
- Black
- Crystal
- Sapphire
- Water Resistance
- 30
Current Listings
![[WTS] IWC Portofino Automatic Moon Phase Limited Edition Year of the Snake Ref IW459604 37mm Full Kit 2025 $8,200](https://preview.redd.it/80x0mtozagqg1.jpg?width=640&crop=smart&auto=webp&s=6d3dac0581daef467e76a9ff4668ba986e76aa86)
IWC Portofino Automatic Moon Phase Limited Edition Year of the Snake Ref IW459604 37mm Full Kit 2025 $8,200
A limited edition IWC Portofino Automatic Moon Phase watch with a striking and elegant design, featuring a moon phase display and a bespoke snake-shaped solid gold rotor.
- Condition: Great condition
- Case size: 37.1mm diameter
- Thickness: 11.3mm
- Water resistance: ~50m (5 bar)
![[WTS] IWC Portofino Automatic Moon Phase 40mm Blue Dial IW459402 Complete](https://preview.redd.it/tps1ijf3m7qg1.jpg?width=640&crop=smart&auto=webp&s=f7705ed146eee2bc0c0cc25fed330b6ab77ea620)
IWC Portofino Automatic Moon Phase 40mm Blue Dial IW459402 Complete
This IWC Portofino Automatic Moon Phase features a blue dial in a 40mm case. It includes inner & outer IWC boxes, manual, and warranty card.
- Condition: Very good, with a few microscratches on the caseback and clasp
- Box set included: Yes
- Warranty expiration year: 2028
![[WTS] IWC Portofino Automatic Moon Phase 40mm IW459402](https://external-preview.redd.it/z6IRij-KJNcfSP-dwPiSxGyZ-adVXW6tlNj9TjZzNYA.jpeg?auto=webp&s=b92a9b8ec47f0af3f7593c192b2442df0463f4c4)
IWC Portofino Automatic Moon Phase 40mm IW459402
2020 IWC Portofino Automatic Moon Phase in 40mm stainless steel with blue dial and moon phase display.
- Condition: Very Good to Excellent pre-owned
- Movement: automatic movement
- Material: stainless steel
- Case size: 40mm
![[WTS] IWC Portofino Chronograph 39mm Black Dial IW391404](https://external-preview.redd.it/nPd1XolSueUQxMiM6umpk20nieqF3xhrdZaNYln31mE.jpeg?auto=webp&s=f5453238a75bb71bec339b92915d73dc1da80071)
IWC Portofino Chronograph 39mm Black Dial IW391404
2021 IWC Portofino Chronograph in 39mm stainless steel features a stunning, classic combination of black dial with gold hands and markers. A slim automatic chronograph, beautifully proportioned dress watch.
- Condition: Very Good to Excellent pre-owned
- Year: 2021
- Material: stainless steel
- Size: 39mm diameter
![[WTS] IWC Portofino Automatic Moon Phase Limited Edition Year of the Snake Ref IW459604 37mm Full Kit 2025 $8,200](https://preview.redd.it/wxkkeb51wwog1.jpg?width=640&crop=smart&auto=webp&s=cf3babd0b3218fdfde98a53c40a831d5a9ff08a1)
IWC Portofino Automatic Moon Phase Limited Edition Year of the Snake Ref IW459604 37mm Full Kit 2025 $8,200
A limited edition IWC Portofino Automatic Moon Phase watch with a 37mm stainless steel case, burgundy/red dial, and moon phase display. It features an 18k 5N gold snake-shaped rotor and comes with two quick-change calfskin straps.
- Condition: great condition
- Case size: 37.1 mm
- Thickness: 11.3 mm
- Dial color: burgundy/red
![[WTS] IWC Portofino Automatic Moon Phase 40mm Blue Dial IW459402 Complete](https://preview.redd.it/b08jlyjwotog1.jpg?width=640&crop=smart&auto=webp&s=64eb1f0d8d271f9c4a61efbc8ae853c39c2c6861)
IWC Portofino Automatic Moon Phase 40mm Blue Dial IW459402 Complete
A blue dial IWC Portofino Automatic Moon Phase in 40mm diameter, features an automatic movement.
- Condition: In very good condition, rated at 9.5/10
- Caseback scratches: a few microscratches
- Clasp scratches: a few microscratches
- Included items: Inner & outer IWC boxes, manual, and warranty card
![[WTS] IWC Portofino Chronograph 39mm - Warrantly until 2030](https://preview.redd.it/cr8pav61otog1.jpg?width=640&crop=smart&auto=webp&s=743b6249176480600be6a2478b7815204956dbbc)
IWC Portofino Chronograph 39mm - Warrantly until 2030
The IWC Portofino Chronograph 39 combines a classic design with sportiness in a compact case size of 39 millimeters.
- Case Size: 39mm diameter
- Warranty Until: 2030
IWC Portofino Automatic 40MM IW356303 Silver Dial
IWC Portofino Automatic 40MM IW356303 Silver Dial is a men's watch with a mechanical automatic movement.
- Condition: 90%
- Size: 40mm diameter
- Case material: Stainless Steel
2024 IWC Portofino Hand-Wound Moon Phase Silver Steel FULL SET MINT IW516401
This IWC Portofino Hand-Wound Moon Phase features a silver-plated dial with a moon phase display, high-polished stainless steel domed bezel and case, and an exhibition caseback offering a clear view of the movement. It has an 8-day power reserve when fully wound and includes various functions such as hours, minutes, date, small seconds subdial, moon phase display, and power reserve indicator.
- Condition: Mint
- Case Size: 42mm
- Material: stainless steel
- Movement Type: hand-wound