Which is cheaper, the Lum-Tec RPM or the Spinnaker Challenger Automatic?

At MSRP the Spinnaker Challenger Automatic is the cheaper of the two at $289, against $495 for the Lum-Tec RPM — a $206 gap before any retailer discounting.

Which is bigger, the Lum-Tec RPM or the Spinnaker Challenger Automatic?

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

Which has better water resistance, the Lum-Tec RPM or the Spinnaker Challenger Automatic?

The Spinnaker Challenger Automatic is rated to 200m versus 50m for the Lum-Tec RPM.

What movement does the Lum-Tec RPM run compared to the Spinnaker Challenger Automatic?

The Lum-Tec RPM runs a quartz caliber, while the Spinnaker Challenger Automatic runs a automatic (SII NH35A).

Side by side

Lum-Tec RPMvsSpinnaker Challenger Automatic

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

Lum-Tec RPM

rpm-3

MSRP $495

Spinnaker Challenger Automatic

challenger-automatic-depth-blue-sp-5159-11

MSRP $289

At a glance

11 of 29 specs differ

Diameter

RPM43mm

Challenger Automatic42mm

Power Reserve

RPM40h

Challenger Automatic40h

Water Resistance

RPM50m

Challenger Automatic200m

MSRP

RPM$495

Challenger Automatic$289

Full specifications

Case

7 specs

Crystal & Dial

1 specs

Dial Color

RPM 3

Blue

Movement

2 specs

Caliber

—

SII NH35A

Type

Quartz

Automatic

Pricing

1 specs

MSRP

$495

$289

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Lum-Tec RPMvsSpinnaker Challenger Automatic

At a glance

Full specifications

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