Phoibos LeviathanvsSeagull Ocean Series Pro 300m Waterproof Diving Watch 44mm

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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.

Phoibos Leviathan at true scale

Leviathan

Seagull Ocean Series Pro 300m Waterproof Diving Watch 44mm at true scale

Ocean Series Pro 300m Waterproof Diving Watch 44mm

Diameter

45mm

44mm

Lug-to-Lug

54mm

51mm

lowest

Thickness

15.5mm

13.5mm

lowest

Water Resistance

500m

highest

300m

MSRP

$309

lowest

$499

Movement

Seiko NH35

Seagull ST2130

Case

4 specs
Diameter
45mm
44mm
Thickness
15.5mm
13.5mm
Lug-to-Lug
54mm
51mm
Water Resistance
500m
300m

Crystal & Dial

3 specs
AR Coating
Yes
n/a
Dial Color
Blue
n/a
Lume
Super-LumiNova
None

Movement

1 specs
Caliber
Seiko NH35
Seagull ST2130

Pricing

1 specs
MSRP
$309
$499
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Reviews

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

Phoibos Leviathan

The Phoibos Leviathan is noted for its sturdy, well-made construction and vintage aesthetic, offering a conservative design at an affordable price. Owners report the 45mm case feels heavy and thick at 15.5mm, with one owner replacing the stock band. The watch features a grey dial and blue lume. Overall, owners find the Phoibos Leviathan to be a well-built, vintage-inspired watch at an accessible price point.

From video reviewers

The watch features 500m water resistance and a Seiko NH35 automatic movement. The case size is a point of contention, with reviewers noting it is substantial and may overwhelm smaller wrists, while others highlight a 40mm case size as an improvement.

Seagull Ocean Series Pro 300m Waterproof Diving Watch 44mm

Owners praise the quick-release spring bars on the Seagull Ocean Series Pro 300m Waterproof Diving Watch 44mm for simplifying strap changes. The 44mm case is noted as large, though one owner found it fit their wrist well, and the 60-click unidirectional bezel is a familiar feature. Fit, finish, and general quality are considered comparable to a Movado Series 800. On balance, owners rate the Seagull Ocean Series Pro 300m Waterproof Diving Watch 44mm positively for its thoughtful features and build quality at its price point.

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