Oris Aquis Date Calibre 400vsMido 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.

Aquis Date Calibre 400

Ocean Star 200C
Diameter
41.5mm
42.5mm
Thickness
n/a
12.3mm
Water Resistance
300m
highest
200m
Power Reserve
120h
highest
80h
MSRP
$5,150
$1,360
lowest
Movement
Oris Calibre 400
Caliber 80
Case
6 specsCrystal & Dial
4 specsMovement
5 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners and reviewers widely praise the Oris Aquis Date Calibre 400 for its exclusive in-house Calibre 400 movement, which offers a five-day power reserve, impressive accuracy, and a 10-year warranty. The 41.5mm steel case is considered universally appealing, and the watch features a refined bezel and dial markers for improved ergonomics. Some reviewers note the dial can be shiny with glare from the domed crystal, and one owner reported their watch running 7 seconds fast per day after a few months. Overall, owners and reviewers rate the Oris Aquis Date Calibre 400 highly for its in-house movement and wearability at its price point.
The 5-day power reserve of the Calibre 400 movement is a significant strength. No shared weaknesses were identified.
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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