Side by side

Henry Archer ArkonavsSeiko Prospex SPEEDTIMER Mechanical

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

Arkona
Henry ArcherArkona
MSRP $4,999
Prospex SPEEDTIMER Mechanical
SeikoProspex SPEEDTIMER Mechanical
MSRP $995

At a glance

13 of 29 specs differ
Diameter
Arkona40mm
Prospex SPEEDTIMER Mechanical39.5mm
Power Reserve
Arkona40h
Prospex SPEEDTIMER Mechanical72h
Water Resistance
Arkona200m
Prospex SPEEDTIMER Mechanical200m
MSRP
Arkona$4,999
Prospex SPEEDTIMER Mechanical$995

Full specifications

Case

5 specs
Category
Diver
Chronograph
Diameter
40mm
39.5mm
Thickness
11.5mm
12mm
Lug-to-Lug
47mm
44.5mm
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 and index(es)

Movement

3 specs
Caliber
Miyota 9015
6R55
Power Reserve
40h
72h
Jewels
25
24

Pricing

1 specs
MSRP
$4,999
$995

Follow this matchup

Get a note when Henry Archer Arkona vs Seiko Prospex SPEEDTIMER Mechanical gets more votes, a community discussion, or a price drop. No account needed.

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 SPEEDTIMER Mechanical

The Seiko Prospex SPEEDTIMER Mechanical is praised for its visually appealing design and comfortable wearability, with owners frequently using its chronograph function for daily tasks. Reviewers note its clean dial layout and LumiBrite treated hands and markers, and one source highlights the 72-hour power reserve of the 6R55 movement. However, some owners criticize its chronograph functionality and the 24-hour subdial. On balance, owners and reviewers rate the Seiko Prospex SPEEDTIMER Mechanical highly for its daily usability and refined aesthetics.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.