IWC Portofino Portofino Automatic 37 Stainless Steel / Diamond / Blue
Reference IW4581-11
About this watch
The IWC IW4581-11 Portofino Automatic 37 Stainless Steel / Diamond / Blue is a masterclass in luxury watch design. This stunning timepiece boasts a refined aesthetic, perfect for both casual and formal occasions. The blue dial radiates calm sophistication, while the gem-set indexes add a touch of opulence. The combination of stainless steel and diamonds creates a match made in heaven. At its core lies the IWC caliber 35111, an automatic movement that's a marvel of engineering. Developed in collaboration with Sellita, this movement is known for its reliability and precision. With a power reserve of 42 hours and a frequency of 28,800 vibrations per hour, you can trust this watch to keep accurate time. The use of stainless steel and sapphire glass makes it built to withstand the rigors of daily life while maintaining its aesthetic appeal. This is more than just a timepiece; it’s a celebration of craftsmanship, elegance, and functionality.
Key Features
- Automatic IWC caliber 35111 movement
- Stainless Steel case with gem-set bezel
- Sapphire glass for scratch resistance
- Water Resistance: 30 meters
- Date function and analog display
- Power reserve of 42 hours and frequency of 28,800 vibrations per hour
- Available in a range of sizes to suit various wrist types
Specifications
- Brand
- IWC
- Family
- Portofino
- Model
- Portofino Automatic 37 Stainless Steel / Diamond / Blue
- Reference
- IW4581-11
- Movement
- 35111
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Case
- Stainless Steel 37mm
- Dial Color
- Blue
- Crystal
- Sapphire
- Water Resistance
- 30
Current Listings
![[WTS] IWC Portofino IW333101 – Solid 18k Gold – Ultra Thin Dress Watch – $3,250 OBO](https://preview.redd.it/481n563wefxg1.jpg?width=640&crop=smart&auto=webp&s=3fd7b387e46b2ab63e10aaf1c9d0fca599c4bf43)
IWC Portofino IW333101 – Solid 18k Gold – Ultra Thin Dress Watch – $3,250 OBO
A IWC Portofino IW333101 is a timeless, ultra-thin dress watch in solid 18k yellow gold with a clean, minimalist dial and date window at 3 o'clock. It features understated luxury and ideal for both formal occasions and everyday wear.
- Condition: Very Good
- Case material: 18k yellow gold
- Movement type: quartz
![[WTS] IWC Portofino Automatic Moon Phase Limited Edition Year of the Snake Ref IW459604 37mm Full Kit 2025 $7,850](https://preview.redd.it/kvn6kfgnmcxg1.jpg?width=640&crop=smart&auto=webp&s=5463359c3c6b842d6b4d456364e849aae94c4fea)
IWC Portofino Automatic Moon Phase Limited Edition Year of the Snake Ref IW459604 37mm Full Kit 2025 $7,850
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 diameter: 37.1 mm
- Thickness: 11.3 mm
- Dial color: burgundy/red
![[WTS] 2019 IWC Portofino Chronograph Blue IW391036 42mm Full Set - $4,995](https://preview.redd.it/7inx014qecxg1.jpg?width=640&crop=smart&auto=webp&s=11df5c1cb83a9167047c0b9e96cc876222bea097)
2019 IWC Portofino Chronograph Blue IW391036 42mm Full Set - $4,995
Up for sale is a IWC Portofino Chronograph Blue, a 2019 model featuring a chronograph function.
- Condition: Excellent condition with minimal signs of wear
- Case size: 42mm diameter
- Shipping: Fully insured through Fedex within the USA
![[WTS] 2025 NEW IWC Portofino Chronograph Black IW391404 39mm Full Set - $6,795](https://preview.redd.it/hbqd4g5i8cxg1.jpg?width=640&crop=smart&auto=webp&s=0e6c3f365f0585d534e5ed802e74aba5e760bd14)
2025 NEW IWC Portofino Chronograph Black IW391404 39mm Full Set - $6,795
A 2025 IWC Portofino Chronograph Black, a high-end chronograph watch with sleek design.
- Condition: New condition
- Case size: 39mm
![[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] IWC Portofino Chronograph IW391031 Silver Dial, Full Set 2019](https://preview.redd.it/h9ec9k5y18wg1.jpg?width=640&crop=smart&auto=webp&s=396054911a530ce17f7a88b452f6e11842588911)