IWC Portofino Automatic 40 Blue Dial vs Omega Seamaster Aqua Terra 150M Grey 41mm

SpecificationIWC Portofino Automatic 40 Blue DialOmega Seamaster Aqua Terra 150M Grey 41mm
BrandIWCOmega
CollectionPortofinoSeamaster
ReferenceIW356527220.10.41.21.06.001
CategoryDressSports
Movement TypeAutomaticAutomatic
Caliber35111Omega 8900
Power Reserve120h60h
Frequency28,800 vph25,200 vph
Case Diameter40.0mm41.0mm
Case Thickness10.0mm13.2mm
Case MaterialStainless SteelStainless Steel
CrystalSapphireSapphire with anti-reflective coating
Water Resistance50m / 164ft150m / 492ft
Weight72g155g
MSRP$5,600$5,600
Market Price$4,500$4,100

In-Depth Comparison

The IWC Portofino Automatic 40 Blue Dial and the Omega Seamaster Aqua Terra 150M Grey 41mm represent two compelling options in the luxury watch market. Both timepieces have earned devoted followings among collectors and enthusiasts, but they approach horology from distinctly different perspectives. Let's break down how these two watches compare across the key dimensions that matter most to buyers.

Heritage And Brand Prestige

IWC and Omega are both highly respected names in watchmaking. Both watches hail from Switzerland, benefiting from the region's deep horological tradition. This particular Portofino reference was introduced in 2022, while this Seamaster reference debuted in 2017. The IWC Portofino Automatic 40 Blue Dial is the newer release, potentially featuring more modern technology and finishing.

Movement And Mechanics

At the heart of the IWC Portofino Automatic 40 Blue Dial beats the 35111 caliber offering a 120-hour power reserve running at 28,800 vph with 25 jewels. The Omega Seamaster Aqua Terra 150M Grey 41mm is powered by the Omega 8900 with a 60-hour power reserve operating at 25,200 vph featuring 39 jewels. The IWC Portofino Automatic 40 Blue Dial wins on power reserve with a 60-hour advantage, which means less frequent winding for those who rotate watches.

Dimensions And Wearability

The IWC Portofino Automatic 40 Blue Dial features a 40.0mm case at 10.0mm thick with a 47.5mm lug-to-lug measurement, crafted in Stainless Steel. The Omega Seamaster Aqua Terra 150M Grey 41mm comes in at 41.0mm and 13.2mm thick with 47.5mm lug-to-lug, constructed from Stainless Steel. The IWC Portofino Automatic 40 Blue Dial wears more compactly on the wrist, making it potentially more suitable for smaller wrists or those who prefer understated proportions. At 72g, the IWC Portofino Automatic 40 Blue Dial is the lighter of the two.

Materials And Construction

The IWC Portofino Automatic 40 Blue Dial uses a Sapphire crystal paired with a Fixed, polished bezel, while the Omega Seamaster Aqua Terra 150M Grey 41mm features Sapphire with anti-reflective coating crystal with a Fixed, polished stainless steel bezel. On the wrist, the IWC Portofino Automatic 40 Blue Dial comes on a Blue alligator leather strap with Folding clasp, while the Omega Seamaster Aqua Terra 150M Grey 41mm is fitted with Stainless steel bracelet featuring Folding clasp with pushers.

Water Resistance And Capability

The IWC Portofino Automatic 40 Blue Dial is rated to 50m / 164ft and the Omega Seamaster Aqua Terra 150M Grey 41mm to 150m / 492ft. For water sports and diving, the Omega Seamaster Aqua Terra 150M Grey 41mm provides superior depth capability.

Pricing And Value

At retail, the IWC Portofino Automatic 40 Blue Dial lists for $5,600 compared to $5,600 for the Omega Seamaster Aqua Terra 150M Grey 41mm. On the secondary market, the IWC Portofino Automatic 40 Blue Dial trades around $4,500 while the Omega Seamaster Aqua Terra 150M Grey 41mm commands approximately $4,100.

The Verdict

Choosing between the IWC Portofino Automatic 40 Blue Dial and the Omega Seamaster Aqua Terra 150M Grey 41mm ultimately comes down to personal priorities. For dress occasions and smaller wrists, the IWC Portofino Automatic 40 Blue Dial is more versatile. Both watches are exceptional timepieces that will serve their owner well for generations. We recommend trying both on the wrist at an authorized dealer before making your final decision, as comfort and emotional connection are ultimately just as important as specifications.