Side by side

Henry Archer AkvavsSeiko Astron

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

Akva
Henry ArcherAkva
MSRP $4,299
Astron
SeikoAstron
MSRP $2,700

At a glance

15 of 29 specs differ
Diameter
Akva40mm
Astron43.3mm
Power Reserve
Akva40h
Astron40h
Water Resistance
Akva200m
Astron100m
MSRP
Akva$4,299
Astron$2,700

Full specifications

Case

7 specs
Category
Diver
Chronograph
Diameter
40mm
43.3mm
Thickness
10.5mm
13.4mm
Lug-to-Lug
49.5mm
Lug Width
14mm
Material
Stainless Steel
Titanium
Water Resistance
200m
100m

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Super-clear coating
Dial Color
Grey
Black
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Miyota 9039
5X83
Type
Automatic
Quartz
Jewels
25
14

Pricing

1 specs
MSRP
$4,299
$2,700

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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 Akva

Owners widely praise the Henry Archer Akva for its excellent build and finish quality, compact 40mm dimensions, and versatile no-date dial, with many finding its timekeeping perfect. The watch's blue wave dial and slender design are frequently highlighted as particularly attractive features, and the bracelet with on-the-fly adjustment receives positive remarks. Some owners note the Miyota movement and find the Akva's aesthetic comparable to significantly more expensive timepieces. However, reviewers consistently flag the bezel action as slippery with strong ratcheting, and one owner disliked the available bracelet option. Overall, owners rate the Henry Archer Akva highly for its impressive build quality and attractive wave dial at its price point.

Seiko Astron

The Seiko Astron is widely praised for its advanced timekeeping technology, including GPS and radio wave synchronization, offering grab-and-go convenience and exceptional accuracy, with some users reporting +/- 15 seconds per month or even 1/2 second per day for its autonomous quartz movement. Owners appreciate its well-finished titanium cases and bracelets, detailed dials with high-contrast markers, and lightweight, comfortable wearability. However, some find the price point of around $2,000 to $2,400 expensive, noting that GPS sync works best outdoors and that certain models lack screw-down casebacks, impacting water resistance. The lume is described as sparse on some models, and recessed buttons require tools to operate. Overall, owners and reviewers rate the Seiko Astron highly for its cutting-edge technology and comfortable, well-finished design, with the value proposition becoming more compelling when models are found at a discount.

From video reviewers

The watch's automatic time zone adjustment via GPS is a notable feature. The watch's solar-powered charging system can take up to 6 months to fully charge, which may not be ideal for users who need a quick power boost.

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