Crafter Blue Hyperion OceanvsSinn U18

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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.

Crafter Blue Hyperion Ocean at true scale

Hyperion Ocean

Sinn U18 at true scale

U18

Diameter

45mm

44mm

Thickness

16.3mm

15.5mm

lowest

Water Resistance

600m

2000m

highest

Power Reserve

n/a

42h

MSRP

n/a

$3,488

Movement

Sellita SW200-1

Sellita SW300-1

Case

6 specs
Diameter
45mm
44mm
Thickness
16.3mm
15.5mm
Material
Stainless Steel
high-strength
Finish
n/a
n/a
Water Resistance
600m
2000m
Caseback
n/a
n/a

Crystal & Dial

4 specs
Crystal Shape
n/a
n/a
AR Coating
n/a
n/a
Dial Color
Blue
Black
Indices
n/a
n/a

Movement

4 specs
Caliber
Sellita SW200-1
Sellita SW300-1
Beat Rate
0 vph
28,800 vph
Power Reserve
n/a
42h
Jewels
0
25

Pricing

1 specs
MSRP
n/a
$3,488
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Reviews

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

Crafter Blue Hyperion Ocean

The Crafter Blue Hyperion Ocean is a Swiss-made dive watch praised for its impressive specifications at its price point, including 600m water resistance and a Sellita SW200 automatic movement. Owners note the 45mm case, particularly on the steel bracelet, can feel substantial, though the vulcanized rubber strap is described as flexible and comfortable, suitable for professional diving. Some reviewers question the practicality of screwed pushers on a diving chronograph. Kickstarter pricing started at $599. On balance, owners and reviewers rate the Crafter Blue Hyperion Ocean highly for its robust build and strong value proposition in the dive watch market.

Sinn U18

The Sinn U18 is lauded for its unique deep blue/green dial with three-dimensional oxygen bubbles that shift with light, and its comfortable, easily adjustable bracelet. Owners describe the 44mm case as having apparent thickness, with one noting minor wear on the underside of the lugs from strap changes. The watch is praised for its versatility, amazing accuracy, and great quality. The Sinn U18 comes with a Sellita SW300-1 movement and a 2000-meter dive specification. On balance, owners and reviewers rate the Sinn U18 highly for its unique dial and overall quality at its price point.

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