Side by side

Traska Summiteer CharcoalvsTissot PRX UFO Robot Grendizer 50th Anniversary

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

What people say

Owners + reviewers, side by side

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

Traska Summiteer Charcoal

Owners widely praise the Traska Summiteer Charcoal for its comfortable 38.5mm size, short lugs, clean dial, and proud crystal, with some noting its excellent fit and finish and smooth winding action. Timekeeping averages +2 seconds per day, and the hardened steel treatment is a valued addition. Some owners find the dial plain and prefer textured alternatives, and one owner experienced dial alignment issues with a recent Traska release. The bracelet is criticized by some for being noisy, sagging, and having a clasp with rough edges, though others praise its on-the-fly micro-adjustment. On balance, owners rate the Traska Summiteer Charcoal highly for its overall package and value proposition at its price point.

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

15 of 29 specs differ
Diameter
Summiteer Charcoal40mm
PRX UFO Robot Grendizer 50th Anniversary40mm
Power Reserve
Summiteer Charcoal42h
PRX UFO Robot Grendizer 50th Anniversary80h
Water Resistance
Summiteer Charcoal100m
PRX UFO Robot Grendizer 50th Anniversary100m
MSRP
Summiteer Charcoal$700
PRX UFO Robot Grendizer 50th Anniversary$1,100

Full specifications

Case

5 specs
Category
Field
Dress
Thickness
0mm
10.93mm
Lug-to-Lug
0mm
39.5mm
Lug Width
20mm
12mm
Finish
Brushed + Polished

Crystal & Dial

4 specs
AR Coating
Underside
Yes
Dial Color
Burgundy
Black
Indices
Indexes
Lume
Super-LumiNova
Super-LumiNova ®

Movement

5 specs
Caliber
Miyota 9039
Tissot Powermatic 80
Beat Rate
28,800 vph
0 vph
Power Reserve
42h
80h
Jewels
24
0
Complications
Chronograph
None

Pricing

1 specs
MSRP
$700
$1,100
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