Side by side

Citizen Zenshin MechanicalvsTissot PRX UFO Robot Grendizer 50th Anniversary

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

Zenshin Mechanical
CitizenZenshin Mechanical
MSRP $488
PRX UFO Robot Grendizer 50th Anniversary
TissotPRX UFO Robot Grendizer 50th Anniversary
MSRP $1,100

At a glance

12 of 29 specs differ
Diameter
Zenshin Mechanical40.5mm
PRX UFO Robot Grendizer 50th Anniversary40mm
Power Reserve
Zenshin Mechanical40h
PRX UFO Robot Grendizer 50th Anniversary80h
Water Resistance
Zenshin Mechanical100m
PRX UFO Robot Grendizer 50th Anniversary100m
MSRP
Zenshin Mechanical$488
PRX UFO Robot Grendizer 50th Anniversary$1,100

Full specifications

Case

5 specs
Diameter
40.5mm
40mm
Thickness
12mm
10.93mm
Lug-to-Lug
46mm
39.5mm
Lug Width
12mm
Material
Super Titanium
Stainless Steel

Crystal & Dial

4 specs
AR Coating
Inner
Yes
Dial Color
Blue
Black
Indices
Applied
Indexes
Lume
None
Super-LumiNova ®

Movement

2 specs
Caliber
8213
Powermatic 80
Power Reserve
40h
80h

Pricing

1 specs
MSRP
$488
$1,100

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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.

Citizen Zenshin Mechanical

The Citizen Zenshin Mechanical is widely praised for its exceptional value, lightweight and scratch-resistant Super Titanium case, and superb, textured dials. Owners and reviewers highlight the refined finishing and comfortable wearability due to the titanium construction and integrated bracelet design. The 60-hour power reserve automatic movement is noted as a strong point, with some finding the accuracy to be precise while others desire tighter tolerances. The integrated bracelet limits strap changes, and opinions on the bracelet and clasp quality are mixed, with some finding them cheap-feeling and others appreciating the design. The Citizen Zenshin Mechanical is priced around EUR 499, though one owner reported a purchase price of €360. Overall, owners and reviewers rate the Citizen Zenshin Mechanical highly for its impressive cost-benefit ratio and attractive, comfortable design.

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.

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