Side by side
Lum-Tec B64 ChronographvsGrand Seiko SBGH349
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
B64 Chronograph44mm
SBGH34940mm
Power Reserve
B64 Chronograph40h
SBGH34955h
Water Resistance
B64 Chronograph100m
SBGH349100m
MSRP
B64 Chronograph$545
SBGH349$7,800
Full specifications
Case
6 specsCategory
Chronograph
Dress
Diameter
44mm
40mm
Thickness
—
13mm
Lug-to-Lug
51.5mm
46.6mm
Lug Width
22mm
20mm
Material
Titanium (DLC coated)
Titanium
Crystal & Dial
3 specsCrystal
Domed Sapphire
Sapphire
AR Coating
Inner
Yes
Dial Color
Standard
Black
Movement
2 specsCaliber
—
9S85
Power Reserve
40h
55h
Pricing
1 specsMSRP
$545
$7,800
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