Side by side

Hamilton American Classic PSR 74vsTissot 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.

Hamilton American Classic PSR 74

Owners widely praise the Hamilton American Classic PSR 74 for its retro-futuristic, sci-fi aesthetic and high attention to detail, with many calling its bracelet exceptionally well-made and comfortable. Reviewers and owners note its exceptional accuracy, with some reporting zero seconds deviation over extended periods. The watch offers 100 meters of water resistance and sapphire glass. Some owners find the red LCD display dim and difficult to read without pressing a button, particularly outdoors, while others report no legibility issues. Sharp edges on the clasp buttons are flagged by some owners as a drawback at its price point, and one owner criticizes the internal quartz movement's battery clamp. On balance, owners and reviewers rate the Hamilton American Classic PSR 74 highly for its unique retro-futuristic design and high-quality bracelet at the price.

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

11 of 29 specs differ
Diameter
American Classic PSR 7426mm
PRX UFO Robot Grendizer 50th Anniversary40mm
Power Reserve
American Classic PSR 74
PRX UFO Robot Grendizer 50th Anniversary80h
Water Resistance
American Classic PSR 74100m
PRX UFO Robot Grendizer 50th Anniversary100m
MSRP
American Classic PSR 74$875
PRX UFO Robot Grendizer 50th Anniversary$1,100

Full specifications

Case

3 specs
Diameter
26mm
40mm
Thickness
12.4mm
10.93mm
Lug-to-Lug
40mm
39.5mm

Crystal & Dial

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

Movement

3 specs
Caliber
H-40 (ETA 2834-2 base)
Tissot Powermatic 80
Type
Quartz
Automatic
Power Reserve
0h
80h

Pricing

1 specs
MSRP
$875
$1,100
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