Side by side

Hamilton Jazzmaster Seaview AutovsIWC Schaffhausen Iw658601 Portofino Automatic

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

Jazzmaster Seaview Auto
HamiltonJazzmaster Seaview Auto
MSRP $945
Iw658601 Portofino Automatic
IWC SchaffhausenIw658601 Portofino Automatic
MSRP $16,300
What people say

Owners + reviewers, side by side

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

Hamilton Jazzmaster Seaview Auto

Owners widely praise the Hamilton Jazzmaster Seaview Auto for its attractive design and comfortable wearability when paired with aftermarket straps like sailcloth. Accuracy varies, with one owner reporting gains of 15 seconds per day after seven years of wear, which improved to +/- 4 seconds per day after servicing and case replacement. Another user noted finish issues after minimal wear, questioning the material quality. The Hamilton Jazzmaster Seaview Auto is available with a 45mm stainless steel case, sapphire crystal, 300m water resistance, and an ETA 2824-2 movement, with prices around $500. On balance, owners value the Hamilton Jazzmaster Seaview Auto for its aesthetic appeal and strap versatility, though material durability can be a concern for some.

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.

At a glance

14 of 29 specs differ
Diameter
Jazzmaster Seaview Auto37mm
Iw658601 Portofino Automatic37mm
Power Reserve
Jazzmaster Seaview Auto42h
Iw658601 Portofino Automatic120h
Water Resistance
Jazzmaster Seaview Auto100m
Iw658601 Portofino Automatic50m
MSRP
Jazzmaster Seaview Auto$945
Iw658601 Portofino Automatic$16,300

Full specifications

Case

6 specs
Thickness
11.3mm
9.4mm
Lug-to-Lug
46mm
Material
Stainless Steel
18 Ct 5N Gold
Finish
Brushed and polished
Steel
Water Resistance
100m
50m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
White
Silver
Indices
Applied

Movement

3 specs
Caliber
ETA 2824-2
32111
Power Reserve
42h
120h
Jewels
25
21

Pricing

1 specs
MSRP
$945
$16,300
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