MKII Stingray IIvsOrient AC0Q-40 Diver
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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.

Stingray II

AC0Q-40 Diver
Diameter
40mm
39.9mm
Lug-to-Lug
48.5mm
46.5mm
lowest
Thickness
14.7mm
12.8mm
lowest
Water Resistance
200m
200m
Power Reserve
50h
highest
40h
MSRP
n/a
$370
Movement
Seiko NE15
Orient F6722
Case
3 specsCrystal & Dial
2 specsMovement
7 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The MKII Stingray II is widely praised for its utilitarian design, smooth bezel action, and excellent legibility with a matte dial and sword hands. Owners appreciate the wearable 40mm sandblasted case, though its 14.7mm thickness is noted as substantial for the size. Accuracy is a point of divergence, with one owner reporting degradation from +/- 15-30 seconds per day to -30-40 seconds per day, while another source does not specify accuracy. The 4:30 date window is a common point of contention among reviewers. Overall, owners and reviewers rate the MKII Stingray II highly for its robust design and legibility at the price.
Owners praise the Orient AC0Q-40 Diver Watch for its value, sapphire crystal, and durable build quality, with many appreciating the 39.9mm case size for its smaller, trendy appeal and the raw steel bezel for a vintage look. The bracelet features folded end links, and while the in-house automatic Orient F6722 movement is considered a good workhorse, the watch is not ISO certified for diving, though suitable for swimming. Unless a purple dial is specifically desired, other color options are recommended. On balance, owners rate the Orient AC0Q-40 Diver Watch highly for its appealing design and value proposition in a compact package.
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