Which is cheaper, the Lum-Tec RPM or the Brew Retrograph?

At MSRP the Brew Retrograph is the cheaper of the two at $375, against $495 for the Lum-Tec RPM — a $120 gap before any retailer discounting.

Which is bigger, the Lum-Tec RPM or the Brew Retrograph?

The Lum-Tec RPM wears larger at 43mm versus 38mm for the Brew Retrograph — a 5mm difference across the dial.

What movement does the Lum-Tec RPM run compared to the Brew Retrograph?

The Lum-Tec RPM runs a quartz caliber, while the Brew Retrograph runs a meca-quartz (VK64).

Side by side

Lum-Tec RPMvsBrew Retrograph

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

Lum-Tec RPM

rpm-3

MSRP $495

Brew Retrograph

MSRP $375

At a glance

19 of 29 specs differ

Diameter

RPM43mm

Retrograph38mm

Power Reserve

RPM40h

Retrograph—

Water Resistance

RPM50m

Retrograph50m

MSRP

RPM$495

Retrograph$375

Full specifications

Case

7 specs

Diameter

43mm

38mm

Thickness

12.3mm

10.4mm

Lug-to-Lug

41mm

41.5mm

Lug Width

20mm

22mm

Material

Titanium

Stainless Steel 316L

Finish

Brushed and polished

—

Caseback

Solid

Stainless Steel 316L

Crystal & Dial

4 specs

Crystal Shape

Flat

—

AR Coating

Inner

—

Dial Color

RPM 3

Cobalt Blue Sunburst

Indices

Applied

—

Movement

7 specs

Caliber

—

VK64

Beat Rate

28,800 vph

0 vph

Power Reserve

40h

Jewels

Hacking

Yes

Hand-winding

Yes

Complications

None

Chronograph

Pricing

1 specs

MSRP

$495

$375

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Lum-Tec RPMvsBrew Retrograph

At a glance

Full specifications

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