IWC Portofino Portofino Automatic Moon Phase 37 Stainless Steel / Diamond / Silver
Reference IW4590-08
About this watch
The IWC Portofino IW4590-08 is a masterful blend of elegance, sophistication, and functionality. Its 37mm stainless steel case and silver dial are adorned with gem-set indexes, exuding understated luxury. The sapphire crystal glass provides scratch resistance and clarity, while the moon phase indicator adds an element of romance to the design. At its core lies the IWC caliber 35800 movement, a self-winding masterpiece boasting 25 jewels and a 42-hour power reserve. This timepiece is perfect for those who appreciate classic charm and modern reliability, making it an investment that promises to deliver on style and performance.
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Key Features
- 37mm stainless steel case
- Sapphire crystal glass with scratch resistance and clarity
- Moon phase indicator at 12 o'clock position
- IWC caliber 35800 self-winding movement with 25 jewels
- 42-hour power reserve
- Water resistance of 30 meters
- Comfortable wear with lightweight and well-balanced design
Specifications
- Brand
- IWC
- Family
- Portofino
- Model
- Portofino Automatic Moon Phase 37 Stainless Steel / Diamond / Silver
- Reference
- IW4590-08
- Movement
- 35800
- Movement Features
-
- Hours, Minutes, Seconds
- Moonphase
- Case
- Stainless Steel 37mm
- Dial Color
- Silver
- Crystal
- Sapphire
- Water Resistance
- 30
Current Listings
![[WTS] IWC pre-Portofino Ref. 3205 (Jaeger LeCoultre 889) Automatic Caliber 3254 馃尀 Vintage Buckle 馃敟 1979 Papers 馃敟](https://preview.redd.it/oao74e4jisjf1.png?auto=webp&s=e85d4442214eebd2be89d01b2f76d87685258795)
IWC pre-Portofino Ref. 3205 (Jaeger LeCoultre 889) Automatic Caliber 3254 馃尀 Vintage Buckle 馃敟 1979 Papers 馃敟
A vintage dress piece from IWC featuring a thin stainless steel case, sapphire crystal, and the rare Caliber 3254. It has a beautiful rhodium finish gray face and measures 34mm in diameter.
- Condition: Excellent, great condition for a 45 year old watch
- Case size: 34mm diameter
- Lug width: 18mm
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