Side by side

Lum-Tec RPMvsGrand Seiko SBGW257

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

RPM
Lum-TecRPM
MSRP $495
SBGW257
Grand SeikoSBGW257
MSRP $38,000

At a glance

13 of 29 specs differ
Diameter
RPM43mm
SBGW25738mm
Power Reserve
RPM40h
SBGW25772h
Water Resistance
RPM50m
SBGW25730m
MSRP
RPM$495
SBGW257$38,000

Full specifications

Case

7 specs
Category
Chronograph
Dress
Diameter
43mm
38mm
Thickness
12.3mm
10.9mm
Lug-to-Lug
41mm
45.8mm
Lug Width
20mm
19mm
Material
Titanium
Platinum
Water Resistance
50m
30m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
RPM 3
Black

Movement

3 specs
Caliber
—
9S64
Type
Quartz
Manual
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$495
$38,000

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