Ianos AvyssosvsSeiko Prospex Marinemaster 1968 Heritage Diver's Watch
lug2lug doesn't sell watches. Buy links open the brand's or seller's own site. Some links are affiliate links: lug2lug may earn a commission at no extra cost to you. Disclosures
Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Avyssos

Prospex Marinemaster 1968 Heritage Diver's Watch
Diameter
44mm
42.6mm
Lug-to-Lug
54mm
49.3mm
lowest
Thickness
n/a
13.4mm
Water Resistance
300m
300m
Power Reserve
42h
50h
highest
MSRP
$1,257
lowest
$2,900
Movement
Sellita SW216-1
Seiko 8L35
Case
4 specsCrystal & Dial
4 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.
Owners widely praise the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch for its premium finishing, tool-like appearance, and comfortable wearability, with many highlighting the appealing case shape and 4 o'clock crown position. Reviewers and owners alike note the excellent build quality and Zaratsu-like polishing, with some considering it a refined step up from standard Prospex models. The bezel rotation is described as precise, and the watch is seen as a manageable alternative to larger models. Some enthusiasts question the price point compared to competitors, while others argue the craftsmanship justifies the cost. One owner flagged bezel misalignment as a significant issue for the price. The watch features a stainless steel case with super-hard coating and a black textured dial, powered by the Seiko 8L35 automatic movement.
Similar watches
Matched to the watches above on size, movement, style and price, microbrands first. Open any one to dig in.








