IWC Schaffhausen Iw3583xx Portugieser AutomaticvsKUOE Old Smith 90-007

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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Iw3583xx Portugieser Automatic

Old Smith 90-007
Diameter
40.4mm
35mm
Lug-to-Lug
n/a
42.3mm
Thickness
12.3mm
12.3mm
lowest
Water Resistance
30m
50m
highest
Power Reserve
60h
highest
42h
MSRP
$7,700
$640
lowest
Movement
IWC Caliber 82xxx
Miyota 82S5
Case
6 specsCrystal & Dial
4 specsMovement
6 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The IWC Schaffhausen Iw3583xx Portugieser Automatic is widely praised for its timeless design and a comfortable 40.4mm case size, offering a daily-wearable, compact interpretation of the classic Portugieser aesthetic. Owners and reviewers highlight the in-house Calibre 82200 movement, noting its Pellaton winding system and attractive finishing with perlage and côtes de Genève. Some owners find the dial layout of larger variants more appealing, and one reviewer suggests the case could be slightly thinner, while others note the lugs appear long but curve well. Accuracy figures vary, with one owner reporting -7 seconds per day as advertised, and another experiencing winding issues that impacted power reserve. On balance, owners and reviewers rate the IWC Schaffhausen Iw3583xx Portugieser Automatic highly for its classic design and comfortable wearability in a more compact case.
Owners widely praise the KUOE OLD SMITH 90-007 for its vintage aesthetic, with particular admiration for its blue hands that shine in sunlight and its grainy textured dial with satisfying chunky numerals. The 35mm case size is noted as a potential issue for smaller wrists, and one owner found the crown difficult to operate, while another experienced an initial defect. The Super-LumiNova is described as weak, and the $635 price is considered high for the Miyota 82S5 movement and standard specifications, though some feel the premium is justified by Kuoe's distinctive design and microbrand status. On balance, owners cherish the KUOE OLD SMITH 90-007 for its unique design language and discreet dress/office appeal.
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