Humism Kato HeliosvsPraesidus 38mm Automatic

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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.

Humism Kato Helios at true scale

Kato Helios

Praesidus 38mm Automatic at true scale

38mm Automatic

Diameter

39mm

38mm

Lug-to-Lug

n/a

45mm

Thickness

11.4mm

11mm

lowest

Water Resistance

50m

100m

highest

MSRP

$428

lowest

$680

Movement

Seiko NH35

Seiko NH35

Case

6 specs
Diameter
39mm
38mm
Thickness
11.4mm
11mm
Lug-to-Lug
n/a
45mm
Lug Width
n/a
18mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
50m
100m

Crystal & Dial

2 specs
AR Coating
Yes
n/a
Dial Color
Yellow
38mm Automatic

Movement

1 specs
Power Reserve
n/a
0h

Pricing

1 specs
MSRP
$428
$680
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Reviews

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

Humism Kato Helios

Owners widely praise the Humism Kato / HELIOS for its unique kinetic art dial, with reviewers noting the rotating dots are surprisingly easy to read despite the artistic concept taking precedence over pure practicality. The 39mm steel case is described as well-made with a brushed finish and sapphire crystals, and the Seiko NH35 automatic movement is considered reliable. Some owners find the watch to be a fun conversation piece and appreciate the levitating indices and decorated movement. However, one owner reported the watch stopped working after some time, and another described the included strap as poor quality and ill-fitting. Overall, owners and reviewers consider the Humism Kato / HELIOS a strong value proposition for its unique design and features at its price point.

Praesidus 38mm Automatic

Owners widely praise the Praesidus 38mm Automatic as a "pretty bomber watch" and appreciate its 38mm size and proven Seiko NH35 movement. One owner notes the watch contains actual sand from Utah Beach and is considering strap options. However, one owner dislikes the dial's large hands and notes the 12.5mm thickness. Overall, owners rate the Praesidus 38mm Automatic highly for its unique historical connection and wearability in a 38mm case.