Side by side

Tissot PRX UFO Robot Grendizer 50th AnniversaryvsHELM Vanuatu Titanium

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

PRX UFO Robot Grendizer 50th Anniversary
TissotPRX UFO Robot Grendizer 50th Anniversary
MSRP $1,100
Vanuatu Titanium
HELMVanuatu Titanium
MSRP $350

At a glance

14 of 29 specs differ
Diameter
PRX UFO Robot Grendizer 50th Anniversary40mm
Vanuatu Titanium42mm
Power Reserve
PRX UFO Robot Grendizer 50th Anniversary80h
Vanuatu Titanium40h
Water Resistance
PRX UFO Robot Grendizer 50th Anniversary100m
Vanuatu Titanium300m
MSRP
PRX UFO Robot Grendizer 50th Anniversary$1,100
Vanuatu Titanium$350

Full specifications

Case

7 specs
Category
Dress
Diver
Diameter
40mm
42mm
Thickness
10.93mm
14mm
Lug-to-Lug
39.5mm
50mm
Lug Width
12mm
22mm
Material
Stainless Steel
Titanium
Water Resistance
100m
300m

Crystal & Dial

2 specs
Indices
Indexes
Applied
Lume
Super-LumiNova ®
Super-LumiNova

Movement

4 specs
Caliber
Powermatic 80
Seiko Instruments NH35
Power Reserve
80h
40h
Jewels
25
24
Complications
None
Date

Pricing

1 specs
MSRP
$1,100
$350

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What people say

Owners + reviewers, side by side

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

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.

HELM Vanuatu Titanium

The HELM Vanuatu Titanium is widely praised by owners for its lightweight titanium construction, brushed gunmetal finish, simple design, legible hands and markers, and excellent lume, offering significant value at $300. Owners note the watch looks good in person and express enthusiasm for their existing Vanuatu Ti models. Some owners wish for Miyota 9x movements in place of the NH series. The unhardened titanium scratches easily, and the 42mm case may be too large for smaller wrists. A significant drawback is the long waiting list. On balance, owners rate the HELM Vanuatu Titanium highly for its lightweight titanium build and excellent lume at the price point.

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