Side by side

Bell & Ross BR-05 DiamondvsTissot PRX UFO Robot Grendizer 50th Anniversary

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

BR-05 Diamond
Bell & RossBR-05 Diamond
MSRP $24,829
PRX UFO Robot Grendizer 50th Anniversary
TissotPRX UFO Robot Grendizer 50th Anniversary
MSRP $1,100

At a glance

16 of 29 specs differ
Diameter
BR-05 Diamond40mm
PRX UFO Robot Grendizer 50th Anniversary40mm
Power Reserve
BR-05 Diamond
PRX UFO Robot Grendizer 50th Anniversary80h
Water Resistance
BR-05 Diamond100m
PRX UFO Robot Grendizer 50th Anniversary100m
MSRP
BR-05 Diamond$24,829
PRX UFO Robot Grendizer 50th Anniversary$1,100

Full specifications

Case

6 specs
Category
Dress
Thickness
10.93mm
Lug-to-Lug
39.5mm
Lug Width
12mm
Finish
Brushed and polished
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Underside
Yes
Indices
Applied indices
Indexes
Lume
Super-LumiNova
Super-LumiNova ®

Movement

5 specs
Caliber
BR-CAL.321
Powermatic 80
Beat Rate
28,800 vph
Power Reserve
80h
Jewels
25
Complications
Hours/Minutes, Seconds, Date
None

Pricing

1 specs
MSRP
$24,829
$1,100

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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.

Bell & Ross BR-05 Diamond

Owners widely praise the Bell & Ross BR-05 Diamond's design and build quality, noting its comfortable wearability and a less derivative appearance in person. The contrast between brushed and polished finishes, along with the blue sunray dial, contributes to its appeal as a versatile integrated steel sports watch. Some owners, however, find the crown to be a bit fussy and criticize the high price relative to the SW300-1 movement. On balance, owners rate the Bell & Ross BR-05 Diamond highly for its striking design and versatile wearability.

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.

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