Side by side

Redux Zero-HourvsSpinnaker Cahill Automatic

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

Zero-Hour
ReduxZero-Hour
Cahill Automatic
SpinnakerCahill Automatic
MSRP $350

At a glance

9 of 29 specs differ
Diameter
Zero-Hour39mm
Cahill Automatic42mm
Power Reserve
Zero-Hour41h
Cahill Automatic40h
Water Resistance
Zero-Hour200m
Cahill Automatic200m
MSRP
Zero-Hour
Cahill Automatic$350

Full specifications

Case

5 specs
Category
Diver
Diameter
39mm
42mm
Lug-to-Lug
46.6mm
51mm
Lug Width
20mm
22mm
Material
Titanium
316L Stainless Steel

Crystal & Dial

1 specs
Dial Color
Black
Green

Movement

2 specs
Caliber
Seiko NH35
SII NH35A
Power Reserve
41h
40h

Pricing

1 specs
MSRP
$350

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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.

Redux Zero-Hour

Owners widely praise the Redux Courg Type 39MM for its robust, no-nonsense design and good overall quality, with a reliable Seiko NH53A movement keeping time well. The titanium case and crystal have shown scratch resistance, and the bezel action is described as tight by some. Reviewers note the proprietary RDXB1 or blue lume glows brilliantly, though briefly. Some owners flag the crown stem as flimsy and the unidirectional bezel as having some play. Overall, owners rate the Redux Courg Type 39MM highly for its functional tool-watch design and durable titanium construction.

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.

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