Mido Ocean Star 200CvsLongines HYDROCONQUEST GMT

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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 Star 200C

HYDROCONQUEST GMT
Diameter
42.5mm
43mm
Lug-to-Lug
n/a
52mm
Thickness
12.3mm
lowest
12.9mm
Water Resistance
200m
300m
highest
Power Reserve
80h
highest
72h
MSRP
$1,360
lowest
$3,350
Movement
Caliber 80
L844.5
Case
4 specsCrystal & Dial
1 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
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.
The Longines HYDROCONQUEST GMT is widely praised for its excellent finishing, with one owner comparing it to a Submariner, and its classy blue sunburst dial. Some owners find the round markers at 6 and 9 disrupt dial symmetry, while others appreciate this design as a unique feature. The watch is considered a practical combination for travelers and divers, offering good value compared to pricier alternatives. Minor criticisms include the tiny GMT text beneath the hour markers being difficult to read at a glance, no quick date adjust feature, a mismatched date wheel color on some dial variants, and a sharp feeling on the bracelet's clasp. Overall, owners rate the Longines HYDROCONQUEST GMT highly for its robust build and practical GMT functionality at its price point.
The exclusive traveler's GMT movement is a significant strength. Reviewers noted the value proposition rivals higher-priced competitors. Areas for improvement were mentioned but not detailed.
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