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Tissot PRX UFO Robot Grendizer 50th AnniversaryvsBoldr Venture

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
Venture
BoldrVenture
MSRP $339

At a glance

13 of 29 specs differ
Diameter
PRX UFO Robot Grendizer 50th Anniversary40mm
Venture38mm
Power Reserve
PRX UFO Robot Grendizer 50th Anniversary80h
Venture40h
Water Resistance
PRX UFO Robot Grendizer 50th Anniversary100m
Venture200m
MSRP
PRX UFO Robot Grendizer 50th Anniversary$1,100
Venture$339

Full specifications

Case

7 specs
Category
Dress
Tool
Diameter
40mm
38mm
Thickness
10.93mm
12mm
Lug-to-Lug
39.5mm
44mm
Lug Width
12mm
20mm
Material
Stainless Steel
Titanium
Water Resistance
100m
200m

Crystal & Dial

3 specs
Dial Color
Black
Black Dawn
Indices
Indexes
Applied
Lume
Super-LumiNova ®
Super-LumiNova

Movement

2 specs
Caliber
Powermatic 80
Seiko NH35A
Power Reserve
80h
40h

Pricing

1 specs
MSRP
$1,100
$339

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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.

Boldr Venture

The Boldr Venture is widely praised for its lightweight and durable titanium case, excellent finishing, and comfortable wearability, with owners noting its legibility and good lume on the navy dial. It features a scratch-resistant sapphire crystal and 200m water resistance, making it suitable for daily wear. The included Expedition Canvas Strap is described as beautiful and comfortable. Overall, owners rate the Boldr Venture highly for its comfortable and durable titanium construction and excellent legibility.

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