Side by side

Orient HeliosvsTissot PRX UFO Robot Grendizer

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.

Orient Helios

The Orient Helios is widely praised for its vibrant dial, open-heart design, and excellent value for money, with owners noting its great finish and quality that exceeds its price point. The watch is described as attractive and stylish, with a thin profile that wears comfortably, though some owners wish it were smaller. Accuracy figures vary, with one owner reporting it consistently runs 5-6 seconds fast per day, while another sees it at 1-2 seconds fast. Opinions are split on the inclusion of a date window, with some finding it desirable for practicality and aesthetic balance, while others prefer its absence. The stock bracelet receives mixed reviews, with one owner finding it awkward and upgrading to a strap, while another considers it nice with a smooth finish and solid links. Overall, owners rate the Orient Helios highly for its mesmerizing open-heart dial and impressive quality at an attainable price.

Tissot PRX UFO Robot Grendizer

The Tissot PRX UFO Robot Grendizer is noted for its unique sunburst blue dial featuring an embossed Grendizer bust, which, along with the hands and indices, offers yellow-green and blue-green luminescence respectively, while the seconds hand is shaped like Grendizer's weapon. This special edition utilizes the Powermatic 80 movement, providing an 80-hour power reserve, and comes in distinctive Spazer spaceship packaging. Reviewers suggest the €120 price premium for these thematic elements and packaging may only appeal to fans of the manga. Overall, reviewers consider the Tissot PRX UFO Robot Grendizer a clever, niche special edition that avoids excessive gimmickry, particularly appealing to manga enthusiasts.

At a glance

19 of 29 specs differ
Diameter
Helios40.5mm
PRX UFO Robot Grendizer40mm
Power Reserve
Helios40h
PRX UFO Robot Grendizer80h
Water Resistance
Helios30m
PRX UFO Robot Grendizer100m
MSRP
Helios$335
PRX UFO Robot Grendizer$950

Full specifications

Case

7 specs
Category
Dress
Diameter
40.5mm
40mm
Thickness
12mm
10.93mm
Lug-to-Lug
47mm
39.5mm
Lug Width
21mm
12mm
Water Resistance
30m
100m
Caseback
Display

Crystal & Dial

5 specs
Crystal
Mineral
Sapphire
AR Coating
Yes
Dial Color
Green
Blue
Indices
Indexes
Lume
None
Super-LumiNova ®

Movement

6 specs
Caliber
FT622
Tissot Powermatic 80
Beat Rate
21,600 vph
0 vph
Power Reserve
40h
80h
Jewels
22
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$335
$950
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