Oceaneva Tenuis Ultra-ThinvsTissot PRX UFO Robot Grendizer 50th Anniversary

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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.

Tenuis Ultra-Thin

PRX UFO Robot Grendizer 50th Anniversary
Diameter
46mm
40mm
Lug-to-Lug
n/a
39.5mm
Thickness
10mm
lowest
10.9mm
Water Resistance
100m
100m
Power Reserve
n/a
80h
MSRP
$799
lowest
$1,100
Movement
Sellita SW200-1
Tissot Powermatic 80
Case
4 specsCrystal & Dial
4 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Oceaneva Tenuis Ultra-Thin for its COSC-certified Sellita SW200-1 movement, which contributes to a smoother second-hand sweep. The watch is also lauded for its tank-like build and impressive specifications, with one owner finding it well worth the price and purchasing a second unit. On balance, owners rate the Oceaneva Tenuis Ultra-Thin highly for its robust build and certified movement at the price point.
The Tissot PRX UFO Robot Grendizer 50th Anniversary is praised for its tasteful integration of anime elements onto the PRX design, featuring an engraved Grendizer bust on a sunburst blue dial with Super-LumiNova. Owners note it is the first 40mm PRX to omit the date window, and its packaging and watch box are described as exceptional. Some find the Grendizer dial less appealing than the standard waffle dial, with one owner calling it "childish," while another considers it "the best PRX." The watch retains the familiar 40mm case, Powermatic 80 movement, and integrated bracelet, retailing for CHF 795 / US$825. On balance, owners and reviewers rate the Tissot PRX UFO Robot Grendizer 50th Anniversary highly for its unique thematic execution and desirable packaging, despite some polarizing dial aesthetics.
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