Which is cheaper, the Lum-Tec RPM or the Seiko Presage Classic Series Seiko 145th Anniversary Limited Edition?

At MSRP the Lum-Tec RPM is the cheaper of the two at $495, against $1,900 for the Seiko Presage Classic Series Seiko 145th Anniversary Limited Edition — a $1,405 gap before any retailer discounting.

Which has better water resistance, the Lum-Tec RPM or the Seiko Presage Classic Series Seiko 145th Anniversary Limited Edition?

The Lum-Tec RPM is rated to 50m versus 5m for the Seiko Presage Classic Series Seiko 145th Anniversary Limited Edition.

Which has a longer power reserve, the Lum-Tec RPM or the Seiko Presage Classic Series Seiko 145th Anniversary Limited Edition?

The Seiko Presage Classic Series Seiko 145th Anniversary Limited Edition carries a 72-hour power reserve against 40 hours on the Lum-Tec RPM.

Side by side

Lum-Tec RPMvsSeiko Presage Classic Series Seiko 145th Anniversary Limited Edition

Q: Which is bigger, the Lum-Tec RPM or the Seiko Presage Classic Series Seiko 145th Anniversary Limited Edition?

The Lum-Tec RPM wears larger at 43mm versus 35mm for the Seiko Presage Classic Series Seiko 145th Anniversary Limited Edition — a 8mm difference across the dial.

Q: What movement does the Lum-Tec RPM run compared to the Seiko Presage Classic Series Seiko 145th Anniversary Limited Edition?

The Lum-Tec RPM runs a quartz caliber, while the Seiko Presage Classic Series Seiko 145th Anniversary Limited Edition runs a automatic (6R51).

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

Lum-Tec RPM

rpm-3

MSRP $495

Seiko Presage Classic Series Seiko 145th Anniversary Limited Edition

spb538j1

MSRP $1,900

At a glance

13 of 29 specs differ

Diameter

RPM43mm

Presage Classic Series Seiko 145th Anniversary Limited Edition35mm

Power Reserve

RPM40h

Presage Classic Series Seiko 145th Anniversary Limited Edition72h

Water Resistance

RPM50m

Presage Classic Series Seiko 145th Anniversary Limited Edition50m

MSRP

RPM$495

Presage Classic Series Seiko 145th Anniversary Limited Edition$1,900

Full specifications

Case

5 specs

Crystal & Dial

3 specs

Crystal Shape

Flat

Box

AR Coating

Inner

Anti-reflective coating on inner surface

Dial Color

RPM 3

Black

Movement

4 specs

Caliber

—

6R51

Type

Quartz

Automatic

Power Reserve

40h

72h

Jewels

Pricing

1 specs

MSRP

$495

$1,900

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