Audaz Ocean RaidervsSeiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
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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 Raider

Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
Diameter
45mm
44mm
Lug-to-Lug
52mm
49.3mm
lowest
Thickness
15mm
13mm
lowest
Water Resistance
300m
highest
200m
Power Reserve
n/a
50h
MSRP
$400
lowest
$3,300
Movement
Seiko NH35
Seiko 8L35
Case
5 specsCrystal & Dial
4 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners report the Audaz Ocean Raider offers amazing lume, serving as a less expensive alternative to higher-end dive watches. One owner notes the watch feels a bit big on smaller wrists. Another owner describes the watch as being in 87% condition due to slight marks on the case sides and back, with a worn aftermarket strap. On balance, owners appreciate the Audaz Ocean Raider for its strong lume and value proposition, though size may be a consideration for those with smaller wrists.
Owners widely praise the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition for its attractive dial with a jewel-toned teal color and rippling-water pattern, and its smooth bezel action. Some owners find it a refined evolution of previous models with a comfortable case and bracelet. However, a significant number of owners express disappointment with the accuracy of the 6R movement at its price point, with some noting it runs slow. The steep rehaut and marker size make the 24-hour numbers difficult to read, and the case design is described as making the watch feel top-heavy. On balance, owners rate the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition highly for its striking dial and refined design, despite widespread concerns about the movement's accuracy for the price.
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