Side by side

Mr Jones Watches The Silent ThiefvsTissot PRX UFO Robot Grendizer 50th Anniversary

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

The Silent Thief
Mr Jones WatchesThe Silent Thief
MSRP $795
PRX UFO Robot Grendizer 50th Anniversary
TissotPRX UFO Robot Grendizer 50th Anniversary
MSRP $1,100

At a glance

13 of 29 specs differ
Diameter
The Silent Thief
PRX UFO Robot Grendizer 50th Anniversary40mm
Power Reserve
The Silent Thief40h
PRX UFO Robot Grendizer 50th Anniversary80h
Water Resistance
The Silent Thief
PRX UFO Robot Grendizer 50th Anniversary100m
MSRP
The Silent Thief$795
PRX UFO Robot Grendizer 50th Anniversary$1,100

Full specifications

Case

6 specs
Category
Casual
Dress
Diameter
40mm
Thickness
10.93mm
Lug-to-Lug
39.5mm
Lug Width
12mm
Water Resistance
100m

Crystal & Dial

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

Movement

2 specs
Caliber
Powermatic 80
Power Reserve
40h
80h

Pricing

1 specs
MSRP
$795
$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.

Mr Jones Watches The Silent Thief

Mr Jones Watches The Silent Thief is widely praised for its unconventional and artistic design, featuring detailed artwork and a unique magpie's eye seconds indicator. Owners appreciate the automatic STP or Sellita SW200 movement and the surprisingly good build quality for the price. The 45mm case is generally considered well-proportioned, with normal lugs addressing prior concerns about length, although some still find the 53mm lug-to-lug measurement substantial or the 45mm size too large overall. Legibility is noted as not the highest, and lume is absent on the indices. On balance, owners and reviewers rate Mr Jones Watches The Silent Thief highly for its superb, unconventional design and good value.

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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