Side by side

Oblvlo IM TourbillonvsTissot PRX UFO Robot Grendizer 50th Anniversary

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

IM Tourbillon
OblvloIM Tourbillon
MSRP $810
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.

Oblvlo IM Tourbillon

Owners widely praise the Oblvlo IM Tourbillon for its skeletonized dial and carbon fiber case finishing, noting it looks more expensive than its price. However, some owners find the minute markers difficult to read, impacting time setting, and accuracy averages around -10 seconds per day. Concerns also exist regarding long-term reliability and parts availability for Chinese tourbillons. On balance, owners rate the Oblvlo IM Tourbillon highly for its visually striking aesthetic and perceived value, despite practical readability and accuracy drawbacks.

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

14 of 29 specs differ
Diameter
IM Tourbillon42mm
PRX UFO Robot Grendizer 50th Anniversary40mm
Power Reserve
IM Tourbillon65h
PRX UFO Robot Grendizer 50th Anniversary80h
Water Resistance
IM Tourbillon50m
PRX UFO Robot Grendizer 50th Anniversary100m
MSRP
IM Tourbillon$810
PRX UFO Robot Grendizer 50th Anniversary$1,100

Full specifications

Case

6 specs
Category
Skeleton
Dress
Diameter
42mm
40mm
Thickness
12.5mm
10.93mm
Lug-to-Lug
46mm
39.5mm
Lug Width
20mm
12mm
Water Resistance
50m
100m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Indices
Applied
Indexes
Lume
Super-LumiNova
Super-LumiNova ®

Movement

4 specs
Caliber
OBL.8024
Tissot Powermatic 80
Power Reserve
65h
80h
Jewels
20
25
Complications
Tourbillon
None

Pricing

1 specs
MSRP
$810
$1,100
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