Side by side

Henry Archer ArkonavsSeiko Prospex Sea

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

Arkona
Henry ArcherArkona
MSRP $4,999
Prospex Sea
SeikoProspex Sea
MSRP $900

At a glance

12 of 29 specs differ
Diameter
Arkona40mm
Prospex Sea41mm
Power Reserve
Arkona40h
Prospex Sea70h
Water Resistance
Arkona200m
Prospex Sea200m
MSRP
Arkona$4,999
Prospex Sea$900

Full specifications

Case

4 specs
Diameter
40mm
41mm
Thickness
11.5mm
12.3mm
Lug-to-Lug
47mm
46.9mm
Material
316L Stainless Steel
Stainless Steel

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Sylva
Black
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Miyota 9015
6R35
Power Reserve
40h
70h
Jewels
25
24

Pricing

1 specs
MSRP
$4,999
$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 Arkona

Owners widely praise the Henry Archer Arkona for its dial, overall build quality, and value, with one owner calling it a "thing of beauty" and another a "shockingly good value for the price." The lume is noted as killer, and the 40mm case wears smaller. However, some owners find the guilloche dial standard and similar to other brands, and one commenter feels the brand sticks too closely to a "bling Explorer" niche. One owner found the bracelet detracted from the dial, preferring a rubber strap, and another noted the bracelet tapers to 16mm, which felt narrower than preferred. On balance, owners rate the Henry Archer Arkona highly for its dial aesthetics and perceived value.

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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