Henry Archer ØhavvsSeiko 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.

Øhav

Prospex Sea
Diameter
40mm
41.7mm
Lug-to-Lug
47mm
lowest
49.5mm
Thickness
11.4mm
lowest
12.3mm
Water Resistance
200m
200m
Power Reserve
n/a
41h
MSRP
$717
$595
lowest
Movement
Miyota 9019
Seiko 4R35
Case
4 specsCrystal & Dial
3 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Henry Archer Øhav for its beautiful design, particularly the dial's depth effect created by applied indices and a floating effect from markers, with one owner noting it looks Grand Seiko-esque. The watch's finishing is considered a cut above its price point, and winding is smooth. However, the date window is consistently described as illegible, and one owner found the date wheel slightly off-center. The dial's pattern is identical across colorways, a point of disappointment for some compared to advertising. The watch achieves +0spd out of the box. Overall, owners rate the Henry Archer Øhav highly for its dial finishing and value, despite the illegible date window.
Owners widely report the Seiko Prospex Sea is a well-built watch at a fair price, with some finding its 41.7mm case size perfect while others with smaller wrists consider it big, thick, and heavy. Reviewers consistently praise the excellent lume and robust design. One owner notes the bezel action is smoother and more precise than some other Seiko divers. Overall, owners and reviewers rate the Seiko Prospex Sea highly for its value and proven design.
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