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 $625

At a glance

12 of 29 specs differ
Diameter
Arkona40mm
Prospex Sea43.8mm
Power Reserve
Arkona40h
Prospex Sea41h
Water Resistance
Arkona200m
Prospex Sea200m
MSRP
Arkona$4,999
Prospex Sea$625

Full specifications

Case

5 specs
Diameter
40mm
43.8mm
Thickness
11.5mm
12.8mm
Lug-to-Lug
47mm
48.7mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
Stainless Steel

Crystal & Dial

3 specs
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
4R35
Power Reserve
40h
41h
Jewels
25
23

Pricing

1 specs
MSRP
$4,999
$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 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

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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