Seagull Ocean Series 200m Waterproof Matte Dial Diving Watch 44mmvsSeiko 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 200m Waterproof Matte Dial Diving Watch 44mm

Prospex Sea
Diameter
44mm
43.8mm
Lug-to-Lug
50mm
48.7mm
lowest
Thickness
13mm
12.8mm
lowest
Water Resistance
200m
200m
Power Reserve
n/a
41h
MSRP
$339
lowest
$625
Movement
Seagull ST2130
Seiko 4R35
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 200m Waterproof Matte Dial Diving Watch 44mm for its bracelet quality, describing it as very nice and flexible, and appreciate the dial's aesthetic, with one owner specifically noting a love for the dial and an interesting sub-dial. The 44mm case, while large, is noted by some owners to wear well due to curved lugs and not look comical on average wrists, making the Seagull Ocean Series 200m Waterproof Matte Dial Diving Watch 44mm suitable as a versatile beater watch for swimming and various attire. One owner reports the bezel has 60 clicks. On balance, owners rate the Seagull Ocean Series 200m Waterproof Matte Dial Diving Watch 44mm highly for its bracelet quality and comfortable wearability at its price point.
The Seiko Prospex Sea is widely praised for its excellent value as a sport watch, with owners highlighting its comfortable wearability and generous lume. Reviewers note its solid build quality and attractive design, with some specifically mentioning the matte black dial as a strong point. One owner reports accuracy around +1 to +2 seconds per day. The 43.8mm case size is considered substantial by some, and one owner found the watch heavy and thick, regretting not choosing a different variant. Overall, owners and reviewers rate the Seiko Prospex Sea highly for its blend of classic design and modern utility at an accessible price point.
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