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Breitling Aviator 8 Automatic Day Date 41vsIWC Schaffhausen Iw3583xx Portugieser Automatic

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.

Breitling Aviator 8 Automatic Day Date 41

Owners widely praise the Breitling Aviator 8 Automatic Day Date 41 for its manageable 41mm case size, a welcome departure from larger traditional chronographs, and its simpler, less busy dial design. Reviewers and owners alike highlight its comfortable, slim profile, and the well-engineered, smooth rotating bezel that evokes aviation heritage. The watch is also noted for offering a day-date complication with a fully spelled-out day, a feature uncommon in its price range, and many find its vibrant lume and classic styling make it a great everyday watch. Accuracy is reported as excellent, with one owner noting regulation to within 2 seconds per day. On balance, owners and reviewers rate the Breitling Aviator 8 Automatic Day Date 41 highly for its practical size, refined dial, and compelling day-date complication.

IWC Schaffhausen Iw3583xx Portugieser Automatic

Owners widely praise the IWC Schaffhausen Iw3583xx Portugieser Automatic for its timeless design, comfortable 40.4mm wearability, and the Pellaton winding system of its 82200 caliber movement. Reviewers highlight the finely brushed sunray dial, applied numerals, leaf hands, and the premium feel enhanced by the double glassbox caseback. The movement itself is noted for its finishing, including perlage and côtes de Genève. Some owners find the 12.4mm case height could be thinner, and the lugs appear long, though well-curved. One owner reported the watch stopping after 6-7 hours when fully wound, contrary to the 60-hour power reserve. The 30m water resistance is considered a bare minimum for a modern watch. Overall, owners and reviewers rate the IWC Schaffhausen Iw3583xx Portugieser Automatic highly for its classic design and comfortable 40.4mm wearability at its price point.

At a glance

13 of 29 specs differ
Diameter
Aviator 8 Automatic Day Date 4141mm
Iw3583xx Portugieser Automatic40.4mm
Power Reserve
Aviator 8 Automatic Day Date 4138h
Iw3583xx Portugieser Automatic60h
Water Resistance
Aviator 8 Automatic Day Date 41100m
Iw3583xx Portugieser Automatic30m
MSRP
Aviator 8 Automatic Day Date 41$4,750
Iw3583xx Portugieser Automatic$21,800

Full specifications

Case

5 specs
Diameter
41mm
40.4mm
Thickness
11.19mm
12.3mm
Material
Stainless Steel
18 Ct 5N Gold
Finish
Stainless steel
Steel
Water Resistance
100m
30m

Crystal & Dial

2 specs
Crystal
Sapphire
Dial Color
Silver

Movement

5 specs
Caliber
Breitling 45
82200
Beat Rate
0 vph
28,800 vph
Power Reserve
38h
60h
Jewels
0
31
Complications
Day-Date
None

Pricing

1 specs
MSRP
$4,750
$21,800
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