Seagull Ocean Series Pro 300m Waterproof Diving 41mmvsSeiko 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 300m Waterproof Diving 41mm

Prospex Sea
Diameter
41mm
41.3mm
Lug-to-Lug
47.5mm
lowest
48.2mm
Thickness
13.5mm
12.5mm
lowest
Water Resistance
300m
300m
Power Reserve
n/a
72h
MSRP
$618
lowest
$1,100
Movement
Seagull ST2130
Seiko 6R55
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 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 and reviewers widely praise the Seiko Prospex Sea for its robust build quality and fair price, with many noting its comfortable silicone strap. Some owners find the watch's size, thickness, and weight to be uncomfortable for smaller wrists, while others consider the size perfect. The consensus is that the Seiko Prospex Sea offers excellent value and build quality for its price.
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