Which is bigger, the Redux Zero-Hour or the Tissot PR516?

The Redux Zero-Hour wears larger at 39mm versus 38mm for the Tissot PR516 — a 1mm difference across the dial.

Which has better water resistance, the Redux Zero-Hour or the Tissot PR516?

The Redux Zero-Hour is rated to 200m versus 100m for the Tissot PR516.

Which has a longer power reserve, the Redux Zero-Hour or the Tissot PR516?

The Tissot PR516 carries a 80-hour power reserve against 41 hours on the Redux Zero-Hour.

What movement does the Redux Zero-Hour run compared to the Tissot PR516?

Both watches run automatic movements — the Redux Zero-Hour uses the Seiko NH35 and the Tissot PR516 uses the Powermatic 80.

Side by side

Redux Zero-HourvsTissot PR516

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

Redux Zero-Hour

the-courg-watch-zero-hour-39mm

Tissot PR516

t1494071103100

MSRP $825

At a glance

13 of 29 specs differ

Diameter

Zero-Hour39mm

PR51638mm

Power Reserve

Zero-Hour41h

PR51680h

Water Resistance

Zero-Hour200m

PR516100m

MSRP

Zero-Hour—

PR516$825

Full specifications

Case

6 specs

Crystal & Dial

4 specs

AR Coating

Inner

Yes

Dial Color

Black

White

Indices

Applied

Indexes

Lume

None

Super-LumiNova ®

Movement

2 specs

Caliber

Seiko NH35

Powermatic 80

Power Reserve

41h

80h

Pricing

1 specs

MSRP

—

$825

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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.

Reddit·2

WatchUSeek

Tissot PR516

Owners and reviewers widely praise the Tissot PR516 for its vintage-inspired dial, robust case finishing, and the horological substance offered at its price point, with some noting its 38mm size and historical connections as highlights. The manual-wind movement is frequently cited for its 68-hour power reserve and modern technology. However, the watch's 14mm thickness and substantial lug-to-lug distance are noted as potentially making it wear large on smaller wrists. Some owners find the dial bland and the fixed bezel disappointing, while others criticize the basic stamped clasp and simplistic movement finishing visible through the display caseback. On balance, owners and reviewers consider the Tissot PR516 a compelling heritage-inspired sports watch, particularly for its value and vintage motorsport aesthetic.

From video reviewers

The value proposition against competitors is a shared strength. Reviewers did not agree on the case size, with mentions of 40mm and 38mm.

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