Side by side
Lum-Tec B64 ChronographvsGrand Seiko SBGW258
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
B64 Chronograph44mm
SBGW25838mm
Power Reserve
B64 Chronograph40h
SBGW25872h
Water Resistance
B64 Chronograph100m
SBGW25830m
MSRP
B64 Chronograph$545
SBGW258$26,000
Full specifications
Case
7 specsCategory
Chronograph
Dress
Diameter
44mm
38mm
Thickness
—
10.9mm
Lug-to-Lug
51.5mm
45.8mm
Lug Width
22mm
19mm
Material
Titanium (DLC coated)
Gold
Water Resistance
100m
30m
Crystal & Dial
3 specsCrystal
Domed Sapphire
Sapphire
AR Coating
Inner
Yes
Dial Color
Standard
Black
Movement
3 specsCaliber
—
9S64
Type
Automatic
Manual
Power Reserve
40h
72h
Pricing
1 specsMSRP
$545
$26,000
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