Side by side

Tissot PRX UFO Robot Grendizer 50th AnniversaryvsSugess Tourbillon Master S454

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

PRX UFO Robot Grendizer 50th Anniversary
TissotPRX UFO Robot Grendizer 50th Anniversary
MSRP $1,100
Tourbillon Master S454
SugessTourbillon Master S454
MSRP $999

At a glance

16 of 29 specs differ
Diameter
PRX UFO Robot Grendizer 50th Anniversary40mm
Tourbillon Master S45441mm
Power Reserve
PRX UFO Robot Grendizer 50th Anniversary80h
Tourbillon Master S45440h
Water Resistance
PRX UFO Robot Grendizer 50th Anniversary100m
Tourbillon Master S4545m
MSRP
PRX UFO Robot Grendizer 50th Anniversary$1,100
Tourbillon Master S454$999

Full specifications

Case

8 specs
Category
Dress
Chronograph
Diameter
40mm
41mm
Thickness
10.93mm
8.9mm
Lug-to-Lug
39.5mm
44.9mm
Lug Width
12mm
20mm
Material
Stainless Steel
Stainless Steel/Rose Gold
Water Resistance
100m
5m
Caseback
Solid
Display

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Indices
Indexes
Applied
Lume
Super-LumiNova ®
None

Movement

4 specs
Caliber
Powermatic 80
ST8000
Type
Automatic
Manual
Beat Rate
28,800 vph
3 vph
Power Reserve
80h
40h

Pricing

1 specs
MSRP
$1,100
$999

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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.

Tissot PRX UFO Robot Grendizer 50th Anniversary

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, and is the first 40mm PRX to omit the date. Owners widely report huge demand, with all 1975 units selling out quickly. The packaging and watch box are described as "dope" and "insane," with one commenter stating the packing alone is "worth the buy." The watch retains the familiar 40mm case, Powermatic 80 movement with 80-hour power reserve, and integrated bracelet. 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 Grendizer graphic is less prominent in person than in photos, and the watch has a ghost date position. The Tissot PRX UFO Robot Grendizer 50th Anniversary retails for US$825 / CHF 795.

Sugess Tourbillon Master S454

Owners widely praise the Sugess Tourbillon Master S454 for its attractive dial finishing, sharp case edges, and the visual appeal of its genuine tourbillon, especially considering its price point. Specific strengths highlighted include a delicate 38mm size with 11.5mm thickness and a crisp winding feel. However, multiple owners note accuracy issues, with figures ranging from +6 to +11 seconds per day and one report of -12 seconds per day. Concerns are also raised about the movement's finishing upon close inspection, the lack of internal anti-reflective coating causing reflections, a small crown that makes winding cumbersome, and potential long-term durability and serviceability challenges. The 24-hour complication is not independently adjustable, and water resistance is limited to 50m. Overall, owners rate the Sugess Tourbillon Master S454 highly for its impressive tourbillon and finishing at the price, despite some noted accuracy and finishing caveats.

From video reviewers

The value proposition of a functional tourbillon movement under $600 is a significant strength. Reviewers noted issues with the bracelet and wearability.

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