Side by side

Dryden Chrono Diver Series 1vsTissot PRX UFO Robot Grendizer 50th Anniversary

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

Chrono Diver Series 1
DrydenChrono Diver Series 1
MSRP $349
PRX UFO Robot Grendizer 50th Anniversary
TissotPRX UFO Robot Grendizer 50th Anniversary
MSRP $1,100

At a glance

15 of 29 specs differ
Diameter
Chrono Diver Series 142mm
PRX UFO Robot Grendizer 50th Anniversary40mm
Power Reserve
Chrono Diver Series 140h
PRX UFO Robot Grendizer 50th Anniversary80h
Water Resistance
Chrono Diver Series 1101m
PRX UFO Robot Grendizer 50th Anniversary100m
MSRP
Chrono Diver Series 1$349
PRX UFO Robot Grendizer 50th Anniversary$1,100

Full specifications

Case

6 specs
Category
Chronograph
Dress
Diameter
42mm
40mm
Thickness
13.5mm
10.93mm
Lug-to-Lug
49mm
39.5mm
Lug Width
22mm
12mm
Water Resistance
101m
100m

Crystal & Dial

5 specs
Crystal
Domed Sapphire
Sapphire
AR Coating
Inner
Yes
Dial Color
Steel
Black
Indices
Applied
Indexes
Lume
None
Super-LumiNova ®

Movement

3 specs
Caliber
Powermatic 80
Type
Quartz
Automatic
Power Reserve
40h
80h

Pricing

1 specs
MSRP
$349
$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.

Dryden Chrono Diver Series 1

The Dryden Chrono Diver Series 1 is a 42mm mechaquartz chronograph featuring a dual-curved sapphire crystal and 100m water resistance. Owners note the VK63 movement's characteristic chronograph hand not resetting perfectly to zero, a trait present on this specific watch. The case exhibits polished chamfers on the upper lugs, and it utilizes Swiss Superluminova BGW9. On balance, owners appreciate the classic case shape and dial design of the Dryden Chrono Diver Series 1 at its price point, despite the mechaquartz movement's known reset behavior.

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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