Side by side

Spinnaker Cahill AutomaticvsTissot PRX

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

Cahill Automatic
SpinnakerCahill Automatic
MSRP $350
PRX
TissotPRX
MSRP $850

At a glance

14 of 29 specs differ
Diameter
Cahill Automatic42mm
PRX40mm
Power Reserve
Cahill Automatic40h
PRX80h
Water Resistance
Cahill Automatic200m
PRX100m
MSRP
Cahill Automatic$350
PRX$850

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
$850

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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

The Tissot PRX is widely praised for its exceptional finishing, comfortable wearability, and strong value proposition, with owners and reviewers highlighting its luxurious feel for the price. The integrated bracelet, often noted for its shine, finishing, and brushed surfaces with polished edges, is a significant draw, as is the watch's neo-vintage aesthetic and refined dial pattern. The slim case profile, measuring around 10.5mm to 11mm depending on the source, contributes to its comfortable daily wear, and the 100m water resistance is a practical feature. While one owner reported specific issues with a PRX Chronograph's hands and quality control after service, other sources focus on the Powermatic 80's reliable automatic movement and the overall joy of wearing the Tissot PRX. Some find sizing the bracelet challenging due to the lack of a micro-adjustment option.

From video reviewers

The Powermatic 80 movement with its 80-hour power reserve is consistently praised. The lume brightness is noted as a weakness. Reviewers disagree on the suitability of the lug-to-lug fit for smaller wrists.

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