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IWC Schaffhausen Iw658601 Portofino AutomaticvsOmega Seamaster Aqua Terra Shades Co Axial Master Chronometer

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

IWC Schaffhausen Iw658601 Portofino Automatic

Owners widely praise the IWC Schaffhausen Iw658601 Portofino Automatic's elegant, simple design and thin 9.4mm case, making it a versatile dress watch suitable for everyday wear. Its classical look, rounded bezel, and sunburst dial are frequently highlighted as attractive features. Some owners find the 37mm case size comfortable and appreciate its slim profile, contrary to perceptions of IWC watches being bulky. Accuracy reports vary, with one owner noting excellent timekeeping and another observing a loss of almost 10 seconds per day. The value proposition is debated, with some questioning the use of an external movement at its price point. On balance, owners and reviewers appreciate the IWC Schaffhausen Iw658601 Portofino Automatic for its classic dress watch aesthetic and wearability, though some debate its value.

Omega Seamaster Aqua Terra Shades Co Axial Master Chronometer

Owners widely praise the Omega Seamaster Aqua Terra Shades Co Axial Master Chronometer for its versatile design, suitable for both dressy and sporty occasions, and its incredible finishing. Reviewers and owners alike highlight the stunning dials that change color with lighting, with specific appreciation for the white dial's snow-like appearance and the bay green color. The METAS-certified co-axial movement is frequently lauded, and the watch is considered a strong value proposition. Some owners find the lume could be stronger for nighttime legibility, and a few note that the bracelet lacks micro-adjustment for a perfect fit, though the factory rubber strap is praised for comfort. The dial color, particularly the blue, appears more slate gray in person than in product images, and seeing the watch in person is recommended. Overall, owners and reviewers rate the Omega Seamaster Aqua Terra Shades Co Axial Master Chronometer highly for its refined dial design and versatile wearability.

At a glance

14 of 29 specs differ
Diameter
Iw658601 Portofino Automatic37mm
Seamaster Aqua Terra Shades Co Axial Master Chronometer34mm
Power Reserve
Iw658601 Portofino Automatic120h
Seamaster Aqua Terra Shades Co Axial Master Chronometer55h
Water Resistance
Iw658601 Portofino Automatic50m
Seamaster Aqua Terra Shades Co Axial Master Chronometer150m
MSRP
Iw658601 Portofino Automatic$16,300
Seamaster Aqua Terra Shades Co Axial Master Chronometer$13,900

Full specifications

Case

7 specs
Category
Dress
Sport
Diameter
37mm
34mm
Thickness
9.4mm
11.88mm
Lug-to-Lug
40.5mm
Lug Width
18mm
16mm
Material
18 Ct 5N Gold
Steel & Moonshine Gold
Water Resistance
50m
150m

Crystal & Dial

2 specs
Crystal Shape
Domed
Dial Color
Silver
Blue

Movement

4 specs
Caliber
32111
Omega 8800
Beat Rate
28,800 vph
0 vph
Power Reserve
120h
55h
Jewels
21
0

Pricing

1 specs
MSRP
$16,300
$13,900
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