Which is cheaper, the Lum-Tec RPM or the Seiko 5 Sports SKX series BAMFORD Limited Edition, Seiko Boutique exclusive model?

At MSRP the Seiko 5 Sports SKX series BAMFORD Limited Edition, Seiko Boutique exclusive model is the cheaper of the two at $460, against $495 for the Lum-Tec RPM — a $35 gap before any retailer discounting.

Which has better water resistance, the Lum-Tec RPM or the Seiko 5 Sports SKX series BAMFORD Limited Edition, Seiko Boutique exclusive model?

The Lum-Tec RPM is rated to 50m versus 10m for the Seiko 5 Sports SKX series BAMFORD Limited Edition, Seiko Boutique exclusive model.

Which has a longer power reserve, the Lum-Tec RPM or the Seiko 5 Sports SKX series BAMFORD Limited Edition, Seiko Boutique exclusive model?

The Seiko 5 Sports SKX series BAMFORD Limited Edition, Seiko Boutique exclusive model carries a 41-hour power reserve against 40 hours on the Lum-Tec RPM.

Side by side

Lum-Tec RPMvsSeiko 5 Sports SKX series BAMFORD Limited Edition, Seiko Boutique exclusive model

Q: Which is bigger, the Lum-Tec RPM or the Seiko 5 Sports SKX series BAMFORD Limited Edition, Seiko Boutique exclusive model?

The Lum-Tec RPM wears larger at 43mm versus 42.5mm for the Seiko 5 Sports SKX series BAMFORD Limited Edition, Seiko Boutique exclusive model — a 0.5mm difference across the dial.

Q: What movement does the Lum-Tec RPM run compared to the Seiko 5 Sports SKX series BAMFORD Limited Edition, Seiko Boutique exclusive model?

The Lum-Tec RPM runs a quartz caliber, while the Seiko 5 Sports SKX series BAMFORD Limited Edition, Seiko Boutique exclusive model runs a automatic (4R36).

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

Lum-Tec RPM

rpm-3

MSRP $495

Seiko 5 Sports SKX series BAMFORD Limited Edition, Seiko Boutique exclusive model

sbsa315

MSRP $460

At a glance

16 of 29 specs differ

Diameter

RPM43mm

5 Sports SKX series BAMFORD Limited Edition, Seiko Boutique exclusive model42.5mm

Power Reserve

RPM40h

5 Sports SKX series BAMFORD Limited Edition, Seiko Boutique exclusive model41h

Water Resistance

RPM50m

5 Sports SKX series BAMFORD Limited Edition, Seiko Boutique exclusive model100m

MSRP

RPM$495

5 Sports SKX series BAMFORD Limited Edition, Seiko Boutique exclusive model$460

Full specifications

Case

7 specs

Crystal & Dial

4 specs

Crystal

Sapphire

Hardlex

Crystal Shape

Flat

Curved

Dial Color

RPM 3

Black

Lume

None

LumiBrite on hands, index(es) and bezel

Movement

4 specs

Caliber

—

4R36

Type

Quartz

Automatic

Power Reserve

40h

41h

Jewels

Pricing

1 specs

MSRP

$495

$460

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