MKII Stingray IIvsSeiko 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.
Stingray II
Prospex Sea
Diameter
40mm
41mm
Lug-to-Lug
48.5mm
46.9mm
lowest
Thickness
14.7mm
12.3mm
lowest
Water Resistance
200m
200m
Power Reserve
50h
70h
highest
MSRP
n/a
$900
Movement
Seiko NE15
Seiko 6R35
Case
3 specsCrystal & Dial
4 specsMovement
3 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 widely praise the Seiko Prospex Sea for its value and robust build, with many highlighting its excellent lume and attractive design. Some owners find the 41mm case size perfect, while others with smaller wrists consider it too large, thick, and heavy. The stock rubber strap is noted as uncomfortable for land wear by one owner. Overall, owners rate the Seiko Prospex Sea highly for its design and value at the price point.
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