MKII Stingray IIvsSeiko Prospex Marinemaster 1965 Diver’s Modern Re-interpretation
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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 Marinemaster 1965 Diver’s Modern Re-interpretation
Diameter
40mm
39.5mm
Lug-to-Lug
48.5mm
47.2mm
lowest
Thickness
14.7mm
12.3mm
lowest
Water Resistance
200m
200m
Power Reserve
50h
highest
45h
MSRP
n/a
$2,800
Movement
Seiko NE15
Seiko 6L37
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.
The Seiko Prospex Marinemaster Marinemaster 1965 Diver’s Modern Re-interpretation is noted for its slim 12.3mm case and 39.5mm diameter, making it a wearable dive watch. The automatic Seiko 6L37 movement is described as having a 45-46 hour power reserve, with one reviewer noting an accuracy of -10/+15 seconds per day. The watch features a box-shaped sapphire crystal and 200 meters of water resistance. However, its price of A$4,650 is considered high for its specifications, and one reviewer questions Seiko's continued reliance on the 62MAS design. On balance, reviewers find the Seiko Prospex Marinemaster Marinemaster 1965 Diver’s Modern Re-interpretation to be a functional and refined dive watch, though its value proposition is debated due to its price point.
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