Side by side

Lum-Tec RPMvsSeiko King Seiko KSK

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

RPM
Lum-TecRPM
MSRP $495
King Seiko KSK
SeikoKing Seiko KSK
MSRP $3,300

At a glance

14 of 29 specs differ
Diameter
RPM43mm
King Seiko KSK38.6mm
Power Reserve
RPM40h
King Seiko KSK45h
Water Resistance
RPM50m
King Seiko KSK50m
MSRP
RPM$495
King Seiko KSK$3,300

Full specifications

Case

6 specs
Category
Chronograph
Dress
Diameter
43mm
38.6mm
Thickness
12.3mm
10.7mm
Lug-to-Lug
41mm
45.8mm
Lug Width
20mm
19mm
Material
Titanium
Stainless Steel

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
—
6L35
Type
Quartz
Automatic
Power Reserve
40h
45h
Jewels
25
26

Pricing

1 specs
MSRP
$495
$3,300

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