Ianos AvyssosvsSeiko Prospex 1968 Mechanical Divers Modern Design
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Avyssos

Prospex 1968 Mechanical Divers Modern Design
Diameter
44mm
44mm
Lug-to-Lug
54mm
n/a
Thickness
n/a
13.1mm
Water Resistance
300m
highest
200m
Power Reserve
42h
50h
highest
MSRP
$1,257
$570
lowest
Movement
Sellita SW216-1
Seiko 6R15
Case
4 specsCrystal & Dial
1 specsMovement
4 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Ianos Avyssos is recognized for its historically inspired design, featuring a sandwich dial with lume visible through cut-out markers and a small seconds disc referencing the Antikythera mechanism, alongside hour markers shaped like Greek sponge diver ballast stones. Reviewers note its 44mm angular case with a PVD finish and a blue-to-black dégradé dial. One reviewer flags a disconcerting ratcheting click when tightening the crown. An owner mentions the strap's durability for diving but notes a NATO is included. On balance, owners and reviewers appreciate the Ianos Avyssos for its unique historical design and solid construction at its price point.
The Seiko Prospex 1968 Mechanical Divers Modern Design is praised for its impressive finishing and blend of heritage and modern design, with a hard-coated steel case for scratch resistance. Its 44mm case wears smaller than dimensions suggest. Some owners find the dial color and overall aesthetic less appealing than other options. The 6R15 movement provides 50 hours of power reserve. Overall, owners and reviewers rate the Seiko Prospex 1968 Mechanical Divers Modern Design highly for its finishing and wearability at the price.
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