Side by side

Henry Archer ØhavvsSeiko Prospex Sea

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Øhav
Henry ArcherØhav
MSRP $5,499
Prospex Sea
SeikoProspex Sea
MSRP $1,100

At a glance

12 of 29 specs differ
Diameter
Øhav40mm
Prospex Sea41.3mm
Power Reserve
Øhav40h
Prospex Sea72h
Water Resistance
Øhav200m
Prospex Sea300m
MSRP
Øhav$5,499
Prospex Sea$1,100

Full specifications

Case

5 specs
Diameter
40mm
41.3mm
Thickness
11.45mm
12.5mm
Lug-to-Lug
47mm
48.2mm
Material
Titanium
Stainless Steel
Water Resistance
200m
300m

Crystal & Dial

3 specs
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Purple
Black
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Miyota 9019
6R55
Power Reserve
40h
72h
Jewels
25
24

Pricing

1 specs
MSRP
$5,499
$1,100

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Henry Archer Øhav

Owners widely praise the Henry Archer Øhav for its quality, finish, and dial that comes alive in direct light, with applied indices creating a depth effect and good lume. The watch achieves +0spd out of the box, and its mirror-polished rehaut is a highlight. However, the date window is consistently noted as very small and illegible, and one owner found the crown could be grippier, though winding is smooth. Some owners are disappointed that the dial effect is not as bright as website photos suggest and that the pattern is identical across colorways. On balance, owners rate the Henry Archer Øhav highly for its dial's depth effect and excellent out-of-the-box accuracy.

Seiko Prospex Sea

Seiko Prospex Sea models are widely praised for their excellent build quality, value for money, and comfortable wearability, with many appreciating the vintage-inspired designs and robust construction. Owners note the silicone straps are surprisingly comfortable and well-finished, and the Lumibrite lume is excellent. However, some find the 44.3mm size and thickness too large for smaller wrists, though others report the sizing as perfect. The 6R15 movement in some variants offers accuracy around +4 seconds per day with a 50-hour power reserve, while newer movements offer more. Some models are criticized for a bracelet width not matching the case size or a rudimentary clasp for their price point. Overall, owners and reviewers rate the Seiko Prospex Sea highly for its impressive case work and finishing at its price point.

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