Side by side

Lum-Tec B64 ChronographvsGrand Seiko SLGB003

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

B64 Chronograph
Lum-TecB64 Chronograph
MSRP $545
SLGB003
Grand SeikoSLGB003
MSRP $11,400

At a glance

13 of 29 specs differ
Diameter
B64 Chronograph44mm
SLGB00337mm
Power Reserve
B64 Chronograph40h
SLGB00372h
Water Resistance
B64 Chronograph100m
SLGB003100m
MSRP
B64 Chronograph$545
SLGB003$11,400

Full specifications

Case

6 specs
Category
Chronograph
Dress
Diameter
44mm
37mm
Thickness
—
11.4mm
Lug-to-Lug
51.5mm
44.3mm
Lug Width
22mm
20mm
Material
Titanium (DLC coated)
Titanium

Crystal & Dial

3 specs
Crystal
Domed Sapphire
Sapphire
AR Coating
Inner
Yes
Dial Color
Standard
Black

Movement

3 specs
Caliber
—
9RB2
Type
Automatic
Spring Drive
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$545
$11,400

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