IWC Portofino Portofino Hand-Wound Eight Days Stainless Steel / Ardoise

Reference IW5101-15

About this watch

The IWC Portofino IW5101-15 is a stunning blend of elegance and functionality. This luxury watch features a round stainless steel case measuring 45 mm in diameter and 12 mm in height, with an Ardoise grey dial offering a sophisticated backdrop. The watch is equipped with sapphire glass for scratch resistance and clarity. It's powered by a handwound mechanical movement, which means you'll need to wind it manually to keep it ticking. The impressive 192-hour power reserve allows you to wear it for nearly a week without needing to wind it again. The Portofino IW5101-15 is not just about looks; it's also packed with functionality, featuring a date display and a power reserve indicator. It has a water resistance of 30 meters, making it perfect for everyday wear while still maintaining an air of sophistication. The watch comes with a high-quality leather strap that complements its sophisticated design. With a frequency of 28,800 vibrations per hour, you can expect precise timekeeping.
Buy Now on Jomashop
This is an affiliate link
MSRP: $10,000
Market Price: $6,549

Key Features

  • Hand-wound mechanical movement
  • 192-hour power reserve
  • Sapphire glass for scratch resistance and clarity
  • Date display and power reserve indicator
  • Water resistance up to 30 meters

Specifications

Brand
IWC
Family
Portofino
Model
Portofino Hand-Wound Eight Days Stainless Steel / Ardoise
Reference
IW5101-15
Movement
59210
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Power Reserve Indicator
Case
Stainless Steel 45mm
Dial Color
Grey
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

IWC Portofino Automatic Moon Phase Limited Edition Year of the Snake Ref IW459604 37mm Full Kit 2025 $8,200

IWC - IW459604 · $8,200
This IWC Portofino Automatic Moon Phase Year of the Snake is a limited-edition piece that blends classic dress watch refinement with artistic flair. The 37mm polished stainless steel case paired with the rich burgundy/red dial gives this watch an eye-catching yet tasteful presence on the wrist, while the beautifully executed moon phase display at 12 o'clock adds a sophisticated and poetic touch.

  • Condition: Great condition
  • Case size: 37.1 mm
  • Thickness: 11.3 mm
  • Dial color: Burgundy/red
Posted at
Mar 28, 2026, 12:32 PM
Active
[WTS] 2018 IWC Portofino Chronograph 42mm IW391022 - Full Set

2018 IWC Portofino Chronograph 42mm IW391022 - Full Set

IWC - IW391022 · $10,300
2018 IWC Portofino Chronograph in excellent condition, featuring a 42mm case size.

  • Movement: automatic
  • Water Resistance: 100m
Posted at
Mar 27, 2026, 3:31 PM
Active
[WTS] IWC Portofino Automatic Moon Phase Limited Edition Year of the Snake Ref IW459604 37mm Full Kit 2025 $8,200

IWC Portofino Automatic Moon Phase Limited Edition Year of the Snake Ref IW459604 37mm Full Kit 2025 $8,200

IWC - IW459604 · $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)
Posted at
Mar 21, 2026, 3:36 PM
Active
[WTS] IWC Portofino Automatic Moon Phase 40mm Blue Dial IW459402 Complete

IWC Portofino Automatic Moon Phase 40mm Blue Dial IW459402 Complete

IWC - IW459402 · $4,950
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
Posted at
Mar 20, 2026, 10:23 AM
Active
[WTS] IWC Portofino Automatic Moon Phase 40mm IW459402

IWC Portofino Automatic Moon Phase 40mm IW459402

IWC - IW459402 · $5,750
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
Posted at
Mar 16, 2026, 8:11 PM
Active
[WTS] IWC Portofino Chronograph 39mm Black Dial IW391404

IWC Portofino Chronograph 39mm Black Dial IW391404

IWC - IW391404 · $5,750
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
Posted at
Mar 16, 2026, 2:22 PM
Active
IWC Portofino Automatic 40MM IW356303 Silver Dial

IWC Portofino Automatic 40MM IW356303 Silver Dial

IWC - IW356303 · $2,080
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
Posted at
Apr 8, 2025, 8:48 AM
Active
2024 IWC Portofino Hand-Wound Moon Phase Silver Steel FULL SET MINT IW516401

2024 IWC Portofino Hand-Wound Moon Phase Silver Steel FULL SET MINT IW516401

IWC - IW516401 · $8,875
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
Posted at
Apr 2, 2025, 5:33 PM
Active
IWC Portofino 18K Rose Gold Grey Dial Eight Days 45mm IW510104

IWC Portofino 18K Rose Gold Grey Dial Eight Days 45mm IW510104

IWC - IW510104 · $8,190
The IWC Portofino is a men's watch featuring a grey dial and 18K rose gold case, with a size of 45mm. It has a mechanical manual movement and functions include date and power reserve.

  • Condition: 90%
  • Case material: 18K Rose Gold
  • Movement type: Mechanical Manual
  • Size: 45mm
Posted at
Mar 6, 2025, 9:28 AM
Active