Which is bigger, the Lum-Tec RPM or the Redux Zero-Hour?

The Lum-Tec RPM wears larger at 43mm versus 39mm for the Redux Zero-Hour — a 4mm difference across the dial.

Which has better water resistance, the Lum-Tec RPM or the Redux Zero-Hour?

The Redux Zero-Hour is rated to 200m versus 50m for the Lum-Tec RPM.

Which has a longer power reserve, the Lum-Tec RPM or the Redux Zero-Hour?

The Redux Zero-Hour carries a 41-hour power reserve against 40 hours on the Lum-Tec RPM.

What movement does the Lum-Tec RPM run compared to the Redux Zero-Hour?

The Lum-Tec RPM runs a quartz caliber, while the Redux Zero-Hour runs a automatic (Seiko NH35).

Side by side

Lum-Tec RPMvsRedux Zero-Hour

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

Lum-Tec RPM

rpm-3

MSRP $495

Redux Zero-Hour

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

At a glance

10 of 29 specs differ

Diameter

RPM43mm

Zero-Hour39mm

Power Reserve

RPM40h

Zero-Hour41h

Water Resistance

RPM50m

Zero-Hour200m

MSRP

RPM$495

Zero-Hour—

Full specifications

Case

5 specs

Crystal & Dial

1 specs

Dial Color

RPM 3

Black

Movement

3 specs

Caliber

—

Seiko NH35

Type

Quartz

Automatic

Power Reserve

40h

41h

Pricing

1 specs

MSRP

$495

—

Follow this matchup

Get a note when Lum-Tec RPM vs Redux Zero-Hour gets more votes, a community discussion, or a price drop. No account needed.

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.

Hemelmicro

Adjacent matchups

People also compared

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

Hemel HFT20vsRedux Zero-Hour AVI-8 Spitfire Lock ChronographvsRedux Zero-Hour Redux Zero-HourvsBoldr Venusaur Redux Zero-HourvsSpinnaker Fleuss Chronograph Lum-Tec RPMvsRedux Zero-Hour BOLDR x NitecorevsLum-Tec RPM

Edit this comparison Add another watch Explore more 38–44mm watches

Lum-Tec RPMvsRedux Zero-Hour

At a glance

Full specifications

Follow this matchup

More watches worth a look

HFT20

BOLDR x Nitecore

Spitfire Lock Chronograph

Five-in-a-Row

Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311

Fleuss Chronograph

Fearless

Hawker Harrier Dual Retrograde Chronograph

People also compared