Which is cheaper, the Lum-Tec RPM or the Sternglas Marus?

At MSRP the Sternglas Marus is the cheaper of the two at $485, against $495 for the Lum-Tec RPM — a $10 gap before any retailer discounting.

Which is bigger, the Lum-Tec RPM or the Sternglas Marus?

The Lum-Tec RPM wears larger at 43mm versus 42mm for the Sternglas Marus — a 1mm difference across the dial.

Which has better water resistance, the Lum-Tec RPM or the Sternglas Marus?

The Sternglas Marus is rated to 200m versus 50m for the Lum-Tec RPM.

Which has a longer power reserve, the Lum-Tec RPM or the Sternglas Marus?

The Sternglas Marus carries a 42-hour power reserve against 40 hours on the Lum-Tec RPM.

What movement does the Lum-Tec RPM run compared to the Sternglas Marus?

The Lum-Tec RPM runs a quartz caliber, while the Sternglas Marus runs a automatic (Miyota 8215).

Side by side

Lum-Tec RPMvsSternglas Marus

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

Lum-Tec RPM

rpm-3

MSRP $495

Sternglas Marus

marus-schwarz-blockarmband

MSRP $485

At a glance

14 of 29 specs differ

Diameter

RPM43mm

Marus42mm

Power Reserve

RPM40h

Marus42h

Water Resistance

RPM50m

Marus200m

MSRP

RPM$495

Marus$485

Full specifications

Case

6 specs

Crystal & Dial

3 specs

AR Coating

Inner

Yes

Dial Color

RPM 3

—

Lume

None

Luminova grün

Movement

4 specs

Caliber

—

Miyota 8215

Type

Quartz

Automatic

Power Reserve

40h

42h

Jewels

—

Pricing

1 specs

MSRP

$495

$485

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