Side by side

Henry Archer AkvavsGrand Seiko SLGA001

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

Akva
Henry ArcherAkva
MSRP $4,299
SLGA001
Grand SeikoSLGA001
MSRP $11,100

At a glance

11 of 29 specs differ
Diameter
Akva40mm
SLGA00146.9mm
Power Reserve
Akva40h
SLGA001120h
Water Resistance
Akva200m
SLGA001100m
MSRP
Akva$4,299
SLGA001$11,100

Full specifications

Case

6 specs
Diameter
40mm
46.9mm
Thickness
10.5mm
16mm
Lug-to-Lug
50.8mm
Lug Width
23mm
Material
Stainless Steel
Titanium
Water Resistance
200m
100m

Crystal & Dial

1 specs
Dial Color
Grey
Black

Movement

3 specs
Caliber
Miyota 9039
9RA5
Type
Automatic
Spring Drive
Power Reserve
40h
120h

Pricing

1 specs
MSRP
$4,299
$11,100

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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.

Grand Seiko SLGA001

The Grand Seiko SLGA001 is praised for its impressive technical achievements, including a new, slimmer Spring Drive movement with a five-day power reserve and exceptional accuracy of ±0.5 seconds per day. Reviewers note the 47mm titanium case, despite its substantial dimensions, wears more comfortably due to its titanium construction, short lugs, and virtually scratch-proof finish. The watch features a 600-meter water resistance and is limited to 700 pieces, priced at $11,100. On balance, reviewers consider the Grand Seiko SLGA001 a highly capable dive watch, with its technological advancements in the Spring Drive movement being a key highlight.

From video reviewers

The watch's Spring Drive movement, specifically the Cal.9RA5, offers a 120-hour power reserve. A notable trade-off is the watch's relatively large size, with a case diameter of 46.9mm and thickness of 16.0mm, which may not suit those with smaller wrists. The high price point may be a trade-off for some buyers.

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