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 $900

At a glance

12 of 29 specs differ
Diameter
Øhav40mm
Prospex Sea41mm
Power Reserve
Øhav40h
Prospex Sea70h
Water Resistance
Øhav200m
Prospex Sea200m
MSRP
Øhav$5,499
Prospex Sea$900

Full specifications

Case

4 specs
Diameter
40mm
41mm
Thickness
11.45mm
12.3mm
Lug-to-Lug
47mm
46.9mm
Material
Titanium
Stainless Steel

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
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
6R35
Power Reserve
40h
70h
Jewels
25
24

Pricing

1 specs
MSRP
$5,499
$900

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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

Owners widely praise the Seiko Prospex Sea for its excellent lume, robust build, and value, with many highlighting the comfortable 4 o'clock crown and reliable movements. Reviewers note impressive case finishing and attractive dials, with specific models lauded for their gradient blue designs and smooth bezel actions. Accuracy figures vary, with one owner reporting +9 seconds/day after demagnetization, while others find the watches to be good first "proper" watches. Some owners find the stock rubber straps uncomfortable or the overall size substantial on smaller wrists. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its combination of strong dive watch functionality and appealing design at its price point.

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