Ianos AvyssosvsTissot Seastar 1000
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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

Seastar 1000
Diameter
44mm
40mm
Lug-to-Lug
54mm
n/a
Thickness
n/a
12.5mm
Water Resistance
300m
300m
Power Reserve
42h
80h
highest
MSRP
$1,257
$875
lowest
Movement
Sellita SW216-1
Tissot Powermatic 80
Case
4 specsCrystal & Dial
4 specsMovement
3 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 Tissot Seastar 1000 for its value and solid build, with one reviewer calling it a comfortable, sporty, and affordable everyday watch with a great case and dial ratio. However, some owners find the Tissot Seastar 1000 too large and poorly proportioned, citing small indices on larger dials and a difficult-to-read bezel. Criticisms also include a non-reflective crystal causing glare, mediocre lume, and a subpar bracelet, with some feeling it is underwhelming for the price compared to other divers. Overall, owners rate the Tissot Seastar 1000 highly for its value and solid build at the price point.
The 80-hour power reserve from the Powermatic 80 movement is a significant strength. Reviewers did not reach a consensus on any weaknesses.
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