IWC Portofino Portofino Automatic Moon Phase 37 Red Gold / Diamond / Silver
Reference IW4590-09
About this watch
The IWC IW4590-09 Portofino Automatic Moon Phase 37 Red Gold / Diamond / Silver is a stunning piece that marries elegance with functionality. With a round case crafted from red gold, this watch exudes luxury from every angle. The gem-set bezel adds a touch of glamour, making it not just a timepiece but a statement accessory. The silver dial is adorned with gem-set indexes that catch the light beautifully, ensuring that you’ll always stand out in a crowd. Measuring 37.00 mm in diameter and standing 11.00 mm tall, the watch is perfectly sized for both men and women. It strikes an ideal balance between boldness and subtlety, making it comfortable to wear all day long. The watch’s slim profile means it fits seamlessly under a shirt cuff or dress sleeve, enhancing its versatility. The IW4590-09 boasts the IWC caliber 35800, a self-winding movement that is both reliable and efficient. It features a 42-hour power reserve, meaning you can take it off for a couple of days without worrying about it losing time. With a frequency of 28,800 vibrations per hour, precision is guaranteed. One of the standout features of this watch is its moonphase indicator, elegantly displayed at the 12 o'clock position. This complication is not just for show; it serves a practical purpose for those who enjoy stargazing or have a penchant for astrology. It's like having a little piece of the cosmos on your wrist! Protected by a sapphire crystal, the dial is resistant to scratches and impacts, ensuring that your watch remains pristine even with daily wear. Sapphire glass is known for its clarity and durability, making it an excellent choice for luxury watches. With a water resistance of 30 meters, the IW4590-09 can handle minor splashes and rain. However, it's not suitable for swimming or diving, so it’s best to keep it dry during water-related activities.
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Key Features
- IWC caliber 35800 self-winding movement
- 42-hour power reserve
- Sapphire crystal dial protection
- Moonphase indicator complication
- 30-meter water resistance
- Red gold case and gem-set bezel
- 37.00 mm diameter, 11.00 mm height
Specifications
- Brand
- IWC
- Family
- Portofino
- Model
- Portofino Automatic Moon Phase 37 Red Gold / Diamond / Silver
- Reference
- IW4590-09
- Movement
- 35800
- Movement Features
-
- Hours, Minutes, Seconds
- Moonphase
- Case
- Red Gold 37mm
- Dial Color
- Silver
- Crystal
- Sapphire
- Water Resistance
- 30
Current Listings
IWC Portofino Black Dial Bracelet 40mm IW356506
This IWC Portofino Black Dial 40mm IW356506 is a men's watch with mechanical automatic movement, stainless steel case and date function.
- Condition: 90%
- Case Size: 40mm
- Movement Type: Mechanical Automatic
IWC Portofino Automatic White Dial 38mm IW353303
- Condition: 90%
- Model: Portofino Automatic White Dial 39MM IW353303
- Size: 38mm
- Case material: Stainless Steel


Pre-Owned IWC Portofino Automatic Edition '150 Years' IW356518
A pre-owned IWC Portofino Automatic Edition '150 Years' watch with a blue dial, automatic movement, stainless steel case, and black leather strap. Limited to 2,000 pieces.
- Condition: Pre-owned, in 81% condition due to marks on the lugs, bezel, and case; strap is in 87% condition
- Case size: 40mm diameter
- Water resistance: 30 meters depth rating
- Material: Stainless Steel

Pre-Owned IWC Portofino Automatic Edition '150 Years' IW356518
Pre-Owned IWC Portofino Automatic Edition '150 Years' IW356518. Limited to 2,000 pieces, this pre-owned watch is in 81% condition due to marks on the lugs, bezel, and throughout the case.
- Condition: 81% - with marks on the lugs, bezel, and case; strap in 87% condition with slight discoloration, creasing, and marks on the clasp
- Case Size: 40mm diameter
- Material: Stainless Steel
- Dial Color: Blue

Pre-Owned IWC Portofino Automatic Edition '150 Years' IW356518
Pre-Owned IWC Portofino Automatic Edition '150 Years' with a blue dial, stainless steel case, and black leather strap.
- Condition: 81% condition due to marks on the lugs, bezel, and throughout the case. Strap is in 87% condition.
- Water resistance: 30m
- 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