IWC Portofino Portofino Automatic 37 Stainless Steel / Diamond / Ardoise
Reference IW4581-04
About this watch
The IWC IW4581-04 Portofino Automatic 37 is a stunning timepiece that embodies the elegance and sophistication of the Portofino series. Its grey dial, often referred to as 'Ardoise', gives the watch a versatile appeal, allowing it to complement both formal and casual attire. The gem-set indexes add a touch of luxury, catching the light just right and making this watch a true standout piece. Crafted from high-quality stainless steel, the case feels robust yet lightweight, sitting comfortably on the wrist. The sapphire crystal provides scratch resistance and durability, ensuring that your watch remains pristine even after years of use. At the heart of the IW4581-04 lies the IWC caliber 35111 movement, a reliable automatic movement known for its performance and accuracy. The watch displays hours, minutes, and seconds along with a convenient date function, making it perfect for those who want a timepiece that can transition seamlessly from day to night. With a water resistance of 30 meters, this watch is not designed for deep-sea diving but can handle splashes and light rain without a hitch. The IWC IW4581-04 Portofino Automatic 37 is an investment in quality, craftsmanship, and heritage. It's a piece of history wrapped around your wrist, perfect for anyone who appreciates the finer things in life.
Key Features
- IWC caliber 35111 movement
- Stunning grey Ardoise dial with gem-set indexes
- Sapphire crystal for scratch resistance and durability
- Water resistance up to 30 meters
- High-quality stainless steel case
- Reliable automatic movement with 42-hour power reserve
- Convenient date function
Specifications
- Brand
- IWC
- Family
- Portofino
- Model
- Portofino Automatic 37 Stainless Steel / Diamond / Ardoise
- Reference
- IW4581-04
- Movement
- 35111
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Case
- Stainless Steel 37mm
- Dial Color
- Grey
- Crystal
- Sapphire
- Water Resistance
- 30
Current Listings
IWC Portofino Pointer Date 39mm
A 39mm IWC Portofino Pointer Date in excellent condition, featuring a full set from 2023 and one minor scuff on the bezel.
- Condition: Excellent
- Case Size: 39mm diameter
- Movement Type: Automatic
- Warranty Left: 6 years

Pre-Owned IWC Portofino Automatic Edition '150 Years' IW356518
This pre-owned IWC Portofino Automatic Edition '150 Years' is a limited edition of 2,000 pieces. It features an automatic movement, 40mm stainless steel case, blue dial, and black leather strap.
- Condition: 81% - with marks on the lugs, bezel, and case
- Movement: Automatic
- Case size: 40mm diameter
- Material: Stainless Steel
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
IWC Portofino 18K Rose Gold Grey Dial Eight Days 45mm IW510104
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
IWC Portofino Hand-Wound 8 Days Hand-Wound Black Steel 45mm IW510102 Strap
The IWC Portofino Hand-Wound 8 Days is a pre-owned watch with a black steel case, featuring an IWC hand-wind movement and 45mm diameter. It comes with an IWC box, papers, and a brown leather strap.
- Condition: Excellent
- Case material: Stainless Steel
- Crystal type: Sapphire
- Movement type: Hand Wind
IWC Portofino Automatic White Dial 38mm IW353303
The IWC Portofino Automatic White Dial is a 38mm men's watch with a mechanical automatic movement and date function, housed in a stainless steel case.
- Condition: 90%
- Case size: 38mm
- Movement type: Mechanical Automatic
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

FOST: IWC Portofino Hand-Wound Moon Phase Silver Steel FULL SET MINT IW516401
The IWC Portofino Hand-Wound Moon Phase features a silver-plated dial with a moon phase display, high-polished stainless steel domed bezel, and an exhibition caseback offering a clear view of the movement.
- Condition: Mint condition
- Case Material: Stainless Steel
- Diameter: 40mm