Side by side

Ferro Time Master 70vsTissot PRX UFO Robot Grendizer 50th Anniversary

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.

Ferro Time Master 70

The Ferro Time Master 70 is praised for its distinctive 1970s-inspired polygon case and visually striking silver dial with orange accents and unique lume colors. Owners appreciate the retro design with unique touches, clean dial, and lumed markers, along with the smooth winding of the Miyota 9039 movement. Its 39mm diameter, 10.4mm thickness, and 47mm lug-to-lug dimensions contribute to comfortable wearability, further enhanced by a well-executed faux-single link bracelet featuring a practical on-the-fly micro-adjustment clasp. On balance, owners and reviewers rate the Ferro Time Master 70 highly for its retro design and comfortable wearability.

From video reviewers

The watch's design is praised as an interesting and successful vintage aesthetic. Reviewers did not reach a consensus on any weaknesses.

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.

At a glance

14 of 29 specs differ
Diameter
Time Master 7047mm
PRX UFO Robot Grendizer 50th Anniversary40mm
Power Reserve
Time Master 70
PRX UFO Robot Grendizer 50th Anniversary80h
Water Resistance
Time Master 7050m
PRX UFO Robot Grendizer 50th Anniversary100m
MSRP
Time Master 70$685
PRX UFO Robot Grendizer 50th Anniversary$1,100

Full specifications

Case

7 specs
Category
Chronograph
Dress
Diameter
47mm
40mm
Thickness
13mm
10.93mm
Lug-to-Lug
47mm
39.5mm
Lug Width
20mm
12mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
100m

Crystal & Dial

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

Movement

2 specs
Caliber
Miyota 9039
Tissot Powermatic 80
Power Reserve
0h
80h

Pricing

1 specs
MSRP
$685
$1,100
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