Seagull Ocean Series Pro 300m Moon Phase Gradient Wave-textured Dial Diving 43.5mmvsWhitby 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 300m Moon Phase Gradient Wave-textured Dial Diving 43.5mm

Ad Mare Diver
Diameter
43.5mm
44mm
Lug-to-Lug
51.6mm
50.8mm
lowest
Thickness
15mm
14mm
lowest
Water Resistance
300m
highest
200m
Power Reserve
n/a
38h
MSRP
$803
$550
lowest
Movement
ST2162
Sellita SW200-1
Case
4 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 300m Moon Phase Gradient Wave-textured Dial Diving Watch 43.5mm for its exceptional finishing and build quality, with one owner finding it comparable to a Movado Series 800. The bracelet receives specific commendation for being very nice and flexible. Reviewers highlight the 316L stainless steel construction and the beautifully finished gradient wave-textured dial. Overall, owners rate the Seagull Ocean Series Pro 300m Moon Phase Gradient Wave-textured Dial Diving Watch 43.5mm highly for its impressive finishing and quality 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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