Side by side

Henry Archer AkvavsSeiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch

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

Akva
Henry ArcherAkva
MSRP $4,299

At a glance

12 of 29 specs differ
Diameter
Akva40mm
Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch39.5mm
Power Reserve
Akva40h
Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch45h
Water Resistance
Akva200m
Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch200m
MSRP
Akva$4,299
Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch$2,800

Full specifications

Case

4 specs
Diameter
40mm
39.5mm
Thickness
10.5mm
12.3mm
Lug-to-Lug
47.2mm
Lug Width
20mm

Crystal & Dial

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

Movement

3 specs
Caliber
Miyota 9039
6L37
Power Reserve
40h
45h
Jewels
25
26

Pricing

1 specs
MSRP
$4,299
$2,800

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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 Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch

The Seiko Prospex Marinemaster 1965 Heritage Diver's Watch is praised for its faithful re-creation of the 62MAS design, with reviewers noting improved wearability due to smaller case sizes (38mm to 40mm) and updated bracelets. Specific models feature a stainless steel case with super-hard coating, ceramic bezel, and a tool-free extension system on the bracelet. Accuracy figures vary, with one model rated at -5/+10 seconds per day and another at -10/+15 seconds per day, powered by movements like the Caliber 8L45 or 6L37 offering 72-hour or 46-hour power reserves respectively. Some reviewers point out drawbacks such as an unsigned winding crown, a lack of tool-free micro-adjust on the clasp for certain models, and a secondary GMT function on one variant. The price point, ranging from $2,800 to $3,600, is considered high by some, especially when compared to other Seiko or Grand Seiko offerings.

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