IWC Schaffhausen Iw3565 Portofino AutomaticvsSeagull Slim Enamel Dial Ultra-Thin Dress Watch 39mm

lug2lug doesn't sell watches. Buy links open the brand's or seller's own site. Some links are affiliate links: lug2lug may earn a commission at no extra cost to you. Disclosures
Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Iw3565 Portofino Automatic

Slim Enamel Dial Ultra-Thin Dress Watch 39mm
Diameter
40mm
39mm
Lug-to-Lug
n/a
44.5mm
Thickness
9.2mm
9mm
lowest
Water Resistance
30m
50m
highest
Power Reserve
50h
n/a
MSRP
$15,500
$597
lowest
Movement
35111
ST18
Case
7 specsCrystal & Dial
1 specsMovement
6 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the IWC Schaffhausen Iw3565 Portofino Automatic for its clean, classic dress watch aesthetic and 40mm size, which is considered perfect for smaller wrists. Reviewers and owners alike highlight its dial color in sunlight, refined dial details, and overall sophisticated appearance. One owner notes it keeps excellent time, with IWC reportedly maintaining chronometer standards. However, some find its use of an external movement and its price point less valuable compared to watches with in-house movements, with one owner suggesting avoiding full retail price. One owner reported their watch stopped working immediately after being dropped. Overall, owners and reviewers rate the IWC Schaffhausen Iw3565 Portofino Automatic highly for its classic dress watch design and wearability.
Owners praise the Seagull Slim Enamel Dial Ultra-Thin Dress Watch 39mm for its ST18 automatic movement's winding efficiency and its Roman numerals, textured dial, and case design. However, opinions are split on the watch's dimensions, with some finding the 39mm case size appealingly thin, while others consider it too thick for a dress watch or awkwardly proportioned compared to smaller Seagull models. Overall, owners appreciate the Seagull Slim Enamel Dial Ultra-Thin Dress Watch 39mm for its design elements and automatic winding, though its sizing elicits mixed reactions.
Similar watches
Matched to the watches above on size, movement, style and price, microbrands first. Open any one to dig in.
Also compared
Comparisons nearby in the catalog: alternatives to the watches above paired against the matchup.









