Crafter Blue Hyperion OceanvsSeiko Prospex Sea The Black Series
lug2lug doesn't sell watches. Buy links open the brand's or seller's own site. Some links are affiliate links: lug2lug may earn a commission at no extra cost to you. Disclosures
Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Hyperion Ocean

Prospex Sea The Black Series
Diameter
45mm
45mm
Lug-to-Lug
n/a
47.7mm
Thickness
16.3mm
13.2mm
lowest
Water Resistance
600m
highest
200m
Power Reserve
n/a
41h
MSRP
n/a
$765
Movement
Sellita SW200-1
Seiko 4R36
Case
3 specsCrystal & Dial
3 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Crafter Blue Hyperion Ocean is a Swiss-made dive watch praised for its impressive specifications at its price point, including 600m water resistance and a Sellita SW200 automatic movement. Owners note the 45mm case, particularly on the steel bracelet, can feel substantial, though the vulcanized rubber strap is described as flexible and comfortable, suitable for professional diving. Some reviewers question the practicality of screwed pushers on a diving chronograph. Kickstarter pricing started at $599. On balance, owners and reviewers rate the Crafter Blue Hyperion Ocean highly for its robust build and strong value proposition in the dive watch market.
The Seiko Prospex Sea The Black Series is praised for its distinct green sunburst dial and bezel, classic diver's dial layout, and excellent legibility with Seiko's strong lume. Owners note that the price is often discounted from the RRP, making it an excellent first proper watch. A reviewer notes a lost opportunity for a thinner appearance due to the bezel's design. On balance, owners and reviewers rate the Seiko Prospex Sea The Black Series highly for its legibility and distinctive dial at the price.
Similar watches
Matched to the watches above on size, movement, style and price, microbrands first. Open any one to dig in.
Also compared
Comparisons nearby in the catalog: alternatives to the watches above paired against the matchup.







