IWC Schaffhausen Iw3565 Portofino AutomaticvsSternglas Naos Pro Automatik

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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.

IWC Schaffhausen Iw3565 Portofino Automatic at true scale

Iw3565 Portofino Automatic

Sternglas Naos Pro Automatik at true scale

Naos Pro Automatik

Diameter

40mm

38mm

Lug-to-Lug

n/a

42.4mm

Thickness

9.2mm

9mm

lowest

Water Resistance

30m

50m

highest

Power Reserve

50h

highest

42h

MSRP

$15,500

$699

lowest

Movement

35111

Miyota 9015

Case

6 specs
Diameter
40mm
38mm
Thickness
9.2mm
9mm
Lug-to-Lug
n/a
42.4mm
Material
18 Ct 5N Gold
Stainless Steel
Finish
Steel
n/a
Water Resistance
30m
50m

Crystal & Dial

2 specs
Dial Color
Black
n/a
Lume
None
Luminova Punkte

Movement

6 specs
Caliber
35111
Miyota 9015
Beat Rate
28,800 vph
0 vph
Power Reserve
50h
42h
Jewels
25
n/a
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$15,500
$699
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Reviews

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

IWC Schaffhausen Iw3565 Portofino Automatic

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.

Sternglas Naos Pro Automatik

The Sternglas Naos Pro Automatik is praised for its slim, wearable 38mm case with a mix of brushed and polished finishes and a refined Bauhaus dial design. Reviewers note the upgraded Miyota 9015 movement and improved wearability. Some find the optional five-link bracelet too chunky and lacking refinement, with one reviewer noting its accuracy of -10/+30 seconds per day is not for precision enthusiasts. On balance, reviewers rate the Sternglas Naos Pro Automatik highly for its slim case and refined dial design at its price point.

From video reviewers

The Bauhaus design is a strength. The value proposition is a weakness.

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