IWC Portofino Portofino Automatic Moon Phase 37 Year of the Snake

Reference IW4596-04

About this watch

The IWC IW4596-04 Portofino Automatic Moon Phase 37 Year of the Snake is a stunning timepiece that blends tradition with modernity. Crafted from stainless steel, this watch features a beautiful red dial with stick and dot indexes, paired with feuille hands for a classic look. The moon phase complication adds a layer of sophistication and functionality, connecting the wearer to the celestial world. Limited to 500 units, this collector's item boasts a unique design, symbolizing wisdom and elegance in various cultures. With its reliable IWC caliber 32800 movement, featuring 120-hour power reserve and 28800 vibrations per hour, this watch is an excellent addition to any collection. The sapphire crystal adds durability while ensuring the watch remains scratch-free. This timepiece is perfect for anyone who loves luxury watches that are not overly flashy but still make a statement.
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Key Features

  • Stainless steel case and dial
  • Moon phase complication at 6 o'clock mark
  • IWC caliber 32800 automatic movement with 120-hour power reserve
  • Sapphire crystal for durability and scratch resistance
  • Red dial with stick and dot indexes and feuille hands
  • Limited to 500 units, making it a collector's item

Specifications

Brand
IWC
Family
Portofino
Model
Portofino Automatic Moon Phase 37 Year of the Snake
Reference
IW4596-04
Movement
32800
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Moonphase
Case
Stainless Steel 37.1mm
Dial Color
Red
Crystal
Sapphire
Water Resistance
50

Current Listings

[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 is an IWC Portofino Automatic Moon Phase in blue dial. The watch features an automatic movement and moon phase display.

  • Condition: Very good, with a few microscratches on the caseback and clasp.
  • Diameter: 40mm
Posted at
Feb 20, 2026, 10:26 AM
Active
[WTS] IWC Portofino Automatic Moonphase 40mm - IWC45902 - Full set - $6050

IWC Portofino Automatic Moonphase 40mm - IWC45902 - Full set - $6050

IWC - IWC45902 · $6,050
This is an IWC Portofino Automatic Moonphase watch in a 40mm case, featuring a moon phase display. It comes with a full set of accessories.

  • Case size: 40mm
Posted at
Feb 19, 2026, 3:55 PM
Active
[WTS] IWC Portofino Automatic 150 Years Edition $2,550

IWC Portofino Automatic 150 Years Edition $2,550

This is a rare IWC Portofino Automatic 150 Years Edition watch for sale. It has been well-maintained and shows light signs of use. The timegrapher numbers are shown.

  • Condition: Good condition with light signs of use
  • Strap Condition: light signs of use
  • Case Condition: light scratches
Posted at
Feb 16, 2026, 4:58 AM
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
IWC Portofino Automatic Moon Phase 40mm Blue Dial for sale.

  • Condition: In very good condition, rated at 9.5/10, with a few microscratches on the caseback and clasp.
  • Case size: 40mm
Posted at
Feb 13, 2026, 10:17 AM
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
IWC Portofino Hand-Wound 8 Days Hand-Wound Black Steel 45mm IW510102 Strap

IWC Portofino Hand-Wound 8 Days Hand-Wound Black Steel 45mm IW510102 Strap

IWC - IW510102 · $4,199
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
Posted at
Feb 28, 2025, 7:57 PM
Active
IWC Portofino Automatic White Dial 38mm IW353303

IWC Portofino Automatic White Dial 38mm IW353303

IWC - IW353312 · $2,275
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
Posted at
Feb 16, 2025, 8:46 AM
Active