Seagull Ocean Series Pro 300m Waterproof Diving 44mmvsSeiko Prospex Sea Save the Ocean Special Edition

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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.

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

Ocean Series Pro 300m Waterproof Diving 44mm

Seiko Prospex Sea Save the Ocean Special Edition at true scale

Prospex Sea Save the Ocean Special Edition

Diameter

44mm

43.8mm

Lug-to-Lug

51mm

48.7mm

lowest

Thickness

13.5mm

12.8mm

lowest

Water Resistance

300m

highest

200m

Power Reserve

n/a

41h

MSRP

$618

lowest

$650

Movement

Seagull ST2130

Seiko 4R35

Case

4 specs
Diameter
44mm
43.8mm
Thickness
13.5mm
12.8mm
Lug-to-Lug
51mm
48.7mm
Water Resistance
300m
200m

Crystal & Dial

2 specs
AR Coating
n/a
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Seagull ST2130
Seiko 4R35
Power Reserve
0h
41h
Jewels
0
23

Pricing

1 specs
MSRP
$618
$650
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Reviews

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

Seagull Ocean Series Pro 300m Waterproof Diving 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.

Seiko Prospex Sea Save the Ocean Special Edition

The Seiko Prospex Sea Save the Ocean Special Edition is widely praised for its exceptional and beautiful dial designs, featuring wave patterns, gradient blues, and marine animal motifs that evoke the ocean, with many considering them among the best in their price range. Owners also note satisfactory lume, smooth bezel operation, and comfortable wearability, with some finding the 43.8mm case size and 13mm thickness to be well-balanced for daily wear. However, multiple sources criticize the bracelet clasp as flimsy, rattly, or underwhelming, and one owner reported returning the watch due to this. Some owners also note imperfect day/date wheel alignment as a common issue in this price segment. On balance, owners and reviewers rate the Seiko Prospex Sea Save the Ocean Special Edition highly for its stunning dial artistry and overall value.

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