Side by side

Lum-Tec B64 ChronographvsGrand Seiko SBGZ011

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

B64 Chronograph
Lum-TecB64 Chronograph
MSRP $545
SBGZ011
Grand SeikoSBGZ011
MSRP $84,000

At a glance

14 of 29 specs differ
Diameter
B64 Chronograph44mm
SBGZ01140mm
Power Reserve
B64 Chronograph40h
SBGZ01184h
Water Resistance
B64 Chronograph100m
SBGZ01130m
MSRP
B64 Chronograph$545
SBGZ011$84,000

Full specifications

Case

7 specs
Category
Chronograph
Dress
Diameter
44mm
40mm
Thickness
—
9.6mm
Lug-to-Lug
51.5mm
45.2mm
Lug Width
22mm
19mm
Material
Titanium (DLC coated)
Platinum
Water Resistance
100m
30m

Crystal & Dial

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

Movement

3 specs
Caliber
—
9R02
Type
Automatic
Spring Drive
Power Reserve
40h
84h

Pricing

1 specs
MSRP
$545
$84,000

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