Seagull Ocean Series Pro Special Edition 300m Waterproof Titanium Alloy Case Ice-textured Dial Diving 43mmvsSeiko 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 Special Edition 300m Waterproof Titanium Alloy Case Ice-textured Dial Diving 43mm

Prospex Sea
Diameter
43mm
43.5mm
Lug-to-Lug
51mm
51mm
Thickness
13.5mm
13.3mm
lowest
Water Resistance
300m
highest
200m
Power Reserve
n/a
70h
MSRP
$931
lowest
$1,500
Movement
Seagull ST2130
Seiko 6R35
Case
3 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 Special Edition 300m Waterproof Titanium Alloy Case Ice-textured Dial Diving Watch 43mm for its excellent build quality and finishing, noting smooth bezel and crown action, perfect alignment, and a high-end appeal attributed to its brushed and polished bracelet and sunburst dial. The quick-release spring bar system is described as ingenious, and the watch is considered built like a tank, offering surprising quality for its price with reliable accuracy. Some owners question if its higher price is justified, and the 43mm automatic version is considered chunky at 15mm thick. Overall, owners rate the Seagull Ocean Series Pro Special Edition 300m Waterproof Titanium Alloy Case Ice-textured Dial Diving Watch 43mm highly for its exceptional finishing and robust build quality at its price point.
Owners praise the Seiko Prospex Sea for its value and classic design, with reviewers highlighting its impressive case finishing and excellent LumiBrite lume. One owner found the watch to be a great first proper timepiece, while another noted it felt uncomfortably large, thick, and heavy on a 6.5-inch wrist. The hard-coated steel case offers scratch resistance. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its value and finishing.
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