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 $625

At a glance

12 of 29 specs differ
Diameter
Øhav40mm
Prospex Sea43.8mm
Power Reserve
Øhav40h
Prospex Sea41h
Water Resistance
Øhav200m
Prospex Sea200m
MSRP
Øhav$5,499
Prospex Sea$625

Full specifications

Case

5 specs
Diameter
40mm
43.8mm
Thickness
11.45mm
12.8mm
Lug-to-Lug
47mm
48.7mm
Lug Width
20mm
22mm
Material
Titanium
Stainless Steel

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
4R35
Power Reserve
40h
41h
Jewels
25
23

Pricing

1 specs
MSRP
$5,499
$625

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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

The Seiko Prospex Sea is widely praised for its excellent value, solid build quality, and comfortable wearability, with many models featuring impressive lume and attractive dials. Owners and reviewers highlight the modern upgrades on classic designs, such as drilled lugs and reliable movements with hacking and hand-winding capabilities. Some models are noted for their refined case finishing and scratch resistance. Accuracy figures vary, with one owner reporting approximately 4 seconds fast per day, while others find the movements offer good performance for the price. Concerns raised by owners and reviewers include clasps that can feel generic or cheap, and lug widths that some find disproportionate to the case size on certain models. The thickness and weight of some Prospex Sea watches are also noted as substantial. The GMT function on specific models is considered secondary and difficult to read for true travel purposes.

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