Seagull Ocean Series Pro "Dragon Kings of the Four Seas" Dragon-scale Dial 300m Waterproof Diving Watch 44mmvsSeiko Prospex Sea
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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.

Ocean Series Pro "Dragon Kings of the Four Seas" Dragon-scale Dial 300m Waterproof Diving Watch 44mm

Prospex Sea
Diameter
44mm
43.8mm
Lug-to-Lug
50.4mm
48.7mm
lowest
Thickness
13.6mm
12.8mm
lowest
Water Resistance
300m
highest
200m
Power Reserve
n/a
41h
MSRP
$659
$625
lowest
Movement
Seagull ST2130
Seiko 4R35
Case
4 specsCrystal & Dial
2 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Seagull Ocean Series Pro "Dragon Kings of the Four Seas" Dragon-scale Dial 300m Waterproof Diving Watch 44mm for its excellent build quality and finishing, noting smooth bezel and crown action, perfectly aligned markings, and outstanding hands and markers. The metallic wave pattern and blue to black gradient sunburst dial are frequently highlighted as beautiful and appealing features. One owner reports accuracy of +5 seconds per day. The watch's 44mm size is noted as a quirk, and one owner questions its price relative to alternatives, though another found it to be a good value at $150. Overall, owners rate the Seagull Ocean Series Pro "Dragon Kings of the Four Seas" Dragon-scale Dial 300m Waterproof Diving Watch 44mm highly for its striking dial and excellent finishing at its price point.
The Seiko Prospex Sea is widely praised for its excellent value as a sport watch, with owners highlighting its comfortable wearability and generous lume. Reviewers note its solid build quality and attractive design, with some specifically mentioning the matte black dial as a strong point. One owner reports accuracy around +1 to +2 seconds per day. The 43.8mm case size is considered substantial by some, and one owner found the watch heavy and thick, regretting not choosing a different variant. Overall, owners and reviewers rate the Seiko Prospex Sea highly for its blend of classic design and modern utility at an accessible price point.
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