Side by side

Spinnaker Croft 42 SkeletonvsTissot PRX UFO Robot Grendizer

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

Croft 42 Skeleton
SpinnakerCroft 42 Skeleton
MSRP $435
PRX UFO Robot Grendizer
TissotPRX UFO Robot Grendizer
MSRP $950

At a glance

13 of 29 specs differ
Diameter
Croft 42 Skeleton42mm
PRX UFO Robot Grendizer40mm
Power Reserve
Croft 42 Skeleton40h
PRX UFO Robot Grendizer80h
Water Resistance
Croft 42 Skeleton100m
PRX UFO Robot Grendizer100m
MSRP
Croft 42 Skeleton$435
PRX UFO Robot Grendizer$950

Full specifications

Case

6 specs
Category
Sport
Dress
Diameter
42mm
40mm
Thickness
14mm
10.93mm
Lug-to-Lug
49mm
39.5mm
Lug Width
22mm
12mm
Material
316L Stainless Steel
Stainless Steel

Crystal & Dial

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

Movement

2 specs
Caliber
SII NH38A
Powermatic 80
Power Reserve
40h
80h

Pricing

1 specs
MSRP
$435
$950

Follow this matchup

Get a note when Spinnaker Croft 42 Skeleton vs Tissot PRX UFO Robot Grendizer gets more votes, a community discussion, or a price drop. No account needed.

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Spinnaker Croft 42 Skeleton

Owners widely report the Spinnaker Croft 42 Skeleton offers good build quality for its price, with some finding it a decent buy on sale. Reviewers note the 42mm case provides significant wrist presence. However, opinions are split on legibility and aesthetics, with some finding it poorly executed and uninteresting while others consider it one of the more legible skeleton watches. The watch is powered by a Seiko NH70 automatic movement with a 41-hour power reserve, though one reviewer considered the movement uninteresting. The bracelet and clasp are considered mediocre for the price point. Overall, owners and reviewers find the Spinnaker Croft 42 Skeleton to be a polarizing but potentially good value skeletonized dive watch when purchased on sale, with its build quality being a key positive for many.

Tissot PRX UFO Robot Grendizer

The Tissot PRX UFO Robot Grendizer is noted for its unique sunburst blue dial featuring an embossed Grendizer bust, which, along with the hands and indices, offers yellow-green and blue-green luminescence respectively, while the seconds hand is shaped like Grendizer's weapon. This special edition utilizes the Powermatic 80 movement, providing an 80-hour power reserve, and comes in distinctive Spazer spaceship packaging. Reviewers suggest the €120 price premium for these thematic elements and packaging may only appeal to fans of the manga. Overall, reviewers consider the Tissot PRX UFO Robot Grendizer a clever, niche special edition that avoids excessive gimmickry, particularly appealing to manga enthusiasts.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.