Seagull Ocean Series Pro "Dragon Kings of the Four Seas" Dragon-scale Dial 300m Waterproof Diving 44mmvsWhitby Watch Co. Ad Mare Diver
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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 44mm

Ad Mare Diver
Diameter
44mm
44mm
Lug-to-Lug
50.4mm
lowest
50.8mm
Thickness
13.6mm
lowest
14mm
Water Resistance
300m
highest
200m
Power Reserve
n/a
38h
MSRP
$641
$550
lowest
Movement
Seagull ST2130
Sellita SW200-1
Case
3 specsCrystal & Dial
1 specsMovement
2 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.
Owners widely praise the Whitby Watch Co. Ad Mare Dive Watch as a solid dive watch for its price, with multiple users calling it the best deal under $600 and one rating it 8.5 out of 10. Reviewers note its substantial feel, quality construction, and crisp dial with applied indices, powered by a Sellita SW200-1 automatic movement. Some owners find the 44mm case size to be a comfortable daily wear, with one mentioning the sanded texture of the titanium variant keeps it light. Drawbacks noted by one owner include the absence of a date wheel. Overall, owners and reviewers rate the Whitby Watch Co. Ad Mare Dive Watch highly for its value and build quality at its price point.
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