Side by side

Spinnaker Cahill AutomaticvsTissot PRX UFO Robot Grendizer

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

Cahill Automatic
SpinnakerCahill Automatic
MSRP $350
PRX UFO Robot Grendizer
TissotPRX UFO Robot Grendizer
MSRP $950

At a glance

14 of 29 specs differ
Diameter
Cahill Automatic42mm
PRX UFO Robot Grendizer40mm
Power Reserve
Cahill Automatic40h
PRX UFO Robot Grendizer80h
Water Resistance
Cahill Automatic200m
PRX UFO Robot Grendizer100m
MSRP
Cahill Automatic$350
PRX UFO Robot Grendizer$950

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
42mm
40mm
Thickness
13.7mm
10.93mm
Lug-to-Lug
51mm
39.5mm
Lug Width
22mm
12mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

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

Movement

2 specs
Caliber
SII NH35A
Powermatic 80
Power Reserve
40h
80h

Pricing

1 specs
MSRP
$350
$950

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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.

Spinnaker Cahill Automatic

Owners widely praise the Spinnaker Cahill Automatic for its attractive vintage-inspired design, comfortable wearability on smaller wrists, and good timekeeping, with one owner specifically noting the large "maxi" indices and NATO strap as highlights. However, some find the lume application uneven and note the use of a mineral crystal. A significant concern raised by one owner is a report of internal component failures and a perceived lack of quality control within the brand. On balance, the Spinnaker Cahill Automatic is well-regarded by owners for its style and value, particularly at specific price points, despite some noted manufacturing inconsistencies.

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.

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