Side by side

Christopher Ward Twelve X (Ti)vsTissot PRX UFO Robot Grendizer 50th Anniversary

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

Twelve X (Ti)
Christopher WardTwelve X (Ti)
MSRP $5,375
PRX UFO Robot Grendizer 50th Anniversary
TissotPRX UFO Robot Grendizer 50th Anniversary
MSRP $1,100
What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Christopher Ward Twelve X (Ti)

The Christopher Ward Twelve X (Ti) is praised for its exceptionally finished, lightweight titanium case and COSC-certified, skeletonized SH21 movement offering a 120-hour power reserve. Reviewers note its comfortable wearability due to the rounded case shape, despite a 12.3mm thickness, and highlight the micro-adjust clasp. Legibility is considered good for a skeletonized watch, though reduced compared to standard dials. One reviewer points out that the case chamfers may be prone to dings and the movement finishing does not reach higher-end standards. Overall, reviewers rate the Christopher Ward Twelve X (Ti) highly for its impressive case finishing and the value of its COSC-certified, in-house skeletonized movement.

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.

At a glance

16 of 29 specs differ
Diameter
Twelve X (Ti)46.3mm
PRX UFO Robot Grendizer 50th Anniversary40mm
Power Reserve
Twelve X (Ti)120h
PRX UFO Robot Grendizer 50th Anniversary80h
Water Resistance
Twelve X (Ti)100m
PRX UFO Robot Grendizer 50th Anniversary100m
MSRP
Twelve X (Ti)$5,375
PRX UFO Robot Grendizer 50th Anniversary$1,100

Full specifications

Case

7 specs
Category
Skeleton
Dress
Diameter
46.3mm
40mm
Thickness
12.3mm
10.93mm
Lug-to-Lug
46.3mm
39.5mm
Lug Width
25mm
12mm
Material
Titanium
Stainless Steel
Finish
Brushed + Polished + Satin + Sandblasted
Brushed and polished

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Indices
Applied
Indexes
Lume
SLN X1 BL C1
Super-LumiNova ®

Movement

5 specs
Caliber
SH21
Powermatic 80
Beat Rate
4 vph
28,800 vph
Power Reserve
120h
80h
Jewels
26
25
Complications
Moonphase
None

Pricing

1 specs
MSRP
$5,375
$1,100
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