IWC Schaffhausen - Portofino

Portofino Automatic Moon Phase 37

18 ct 5N gold case, 37.0 mm. Made in Schaffhausen, Switzerland. Model IW459009

The moon phase display is not just an aesthetic masterpiece – it also reminds us that, long before time could be mechanically measured, it was the moon that showed us the passing of time. The 18-carat 5N gold version with a silver-plated dial has a bezel set with 66 diamonds and 12 precious stones on the dial that give it an attractive sparkle. The sun­-pattern finish on the dial reflects light in a myriad of different ways and makes the light appear to move around in circles when the watch is tilted from side to side, lending the timepiece a unique charm. The slightly recessed inner circle adds a sense of structure to the dial. The timepiece is water-resistant to 3 bar and powered by the 35800-calibre mechanical automatic movement. The phase of the moon shown in the display can be adjusted using a correction button at “2 o’clock”. The central seconds hand is stopped using the crown and the sapphire glass has an antireflective coating on both sides. The watch is fitted with a black alligator leather strap from the House of Santoni.


In Stock. Includes GST and complimentary shipping.

Technical Specifications


35800 Calibre

Automatic, self-winding

42 hours Power Reserve

171 Components

25 Jewels

Côtes de Genève, perlage


Black alligator leather strap by Santoni

Strap width 18 mm


Silver-plated dial


Moon phase display

Sapphire glass, convex, antireflective coating on both sides

Central hacking seconds


18 ct 5N gold case

Diameter 37.0 mm

Height 10.8 mm

Water resistance 3 bar

IWC Portofino AutomaticMoonPhase37 IW459009 TechnicalSpecifications FINAL
IWC Portofino AutomaticMoonPhase37 IW459009 TechnicalSpecifications FINAL

Discover Also

IWC Schaffhausen

Portofino Hand-Wound Moon Phase


18 ct 5N gold case, 45.0 mm


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