Seiko Prospex SeavsMido Ocean Star 200C
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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.

Prospex Sea

Ocean Star 200C
Diameter
42mm
42.5mm
Lug-to-Lug
48.6mm
n/a
Thickness
13.3mm
12.3mm
lowest
Water Resistance
300m
highest
200m
Power Reserve
72h
80h
highest
MSRP
n/a
$1,360
Movement
Seiko 6R54
Caliber 80
Case
5 specsCrystal & Dial
3 specsMovement
4 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Seiko Prospex Sea is widely recognized for its excellent value and solid build quality, with many owners appreciating its classic dive watch design and legible dial. Reviewers consistently praise its lume, with one owner noting it as excellent. The watch's finishing is also a frequent highlight, described as impressive and well-executed for its price point. Some owners find the 42mm case size wears well, even on smaller wrists, while others describe it as substantial and potentially uncomfortable for smaller wrists. The movement is noted as a 6R54 automatic. Overall, owners and reviewers rate the Seiko Prospex Sea highly for its robust construction and classic dive watch aesthetics at a fair price.
Owners widely praise the Mido Ocean Star 200C for its excellent build quality and value, with many highlighting the matte black dial, ceramic bezel, and applied indices as attractive design elements. The watch is noted for its light titanium construction and great lume, offering good legibility and wearability, with some owners appreciating its low thickness. Accuracy is exceptional, with one owner reporting 0 to +1 second per day. However, some find the 42.5mm case size acceptable but would prefer a slightly smaller diameter, and one owner noted significant wear on the case and bezel after 3.5 months. The crown is described as slightly small, and the bezel tension as potentially a touch light. Overall, owners and reviewers rate the Mido Ocean Star 200C highly for its impressive build quality and accuracy at its price point.
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