Seagull Ocean Series Pro 300m Waterproof Diving Watch 41mmvsSeiko 62MAS
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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 Waterproof Diving Watch 41mm

62MAS
Diameter
41mm
40.5mm
Lug-to-Lug
47.5mm
lowest
47.6mm
Thickness
13.5mm
13.2mm
lowest
Water Resistance
300m
highest
200m
Power Reserve
n/a
70h
MSRP
$499
lowest
$1,200
Movement
Seagull ST2130
Seiko 6R35
Case
4 specsCrystal & Dial
3 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 300m Waterproof Diving Watch 41mm for its excellent fit, finish, and overall quality, with one owner calling it a solid diver worth every penny at $415. The quick-release spring bar system for strap changes is highlighted as ingenious and simple. However, one owner finds the dial stylistically unappealing, describing some images as tacky and cheap. On balance, owners rate the Seagull Ocean Series Pro 300m Waterproof Diving Watch 41mm highly for its surprising quality and value.
Owners widely praise the Seiko 62MAS for its beautiful vintage-inspired finishing, crisp bezel action, and overall build quality, with many appreciating its comfortable 40.5mm case and slim apparent height. Some owners report accuracy issues with the 6R movement, while others find it runs within specifications, and opinions are split on whether the 40mm size is too large for smaller wrists, with some noting it can wear top-heavy. The price point is considered high by some, though others deem it fair for a new watch. Overall, owners and reviewers rate the Seiko 62MAS highly for its faithful recreation of the original design and refined modern interpretation.
The 37.5mm-38mm case size is a significant strength, offering a historically accurate and comfortable fit. Reviewers did not agree on any specific weaknesses.
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