Side by side
Lum-Tec B64 ChronographvsLongines FLAGSHIP CLASSIC
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
22 of 29 specs differDiameter
B64 Chronograph44mm
FLAGSHIP CLASSIC30mm
Power Reserve
B64 Chronograph40h
FLAGSHIP CLASSIC45h
Water Resistance
B64 Chronograph100m
FLAGSHIP CLASSIC30m
MSRP
B64 Chronograph$545
FLAGSHIP CLASSIC$2,450
Full specifications
Case
9 specsCategory
Chronograph
Dress
Diameter
44mm
30mm
Thickness
—
8.1mm
Lug-to-Lug
51.5mm
36.4mm
Lug Width
22mm
15mm
Material
Titanium (DLC coated)
Stainless Steel
Finish
Brushed and polished
—
Water Resistance
100m
30m
Caseback
Solid
Transparent case back with sapphire crystal
Crystal & Dial
6 specsCrystal
Domed Sapphire
Sapphire
Crystal Shape
Flat
—
AR Coating
Inner
Underside
Dial Color
Standard
Brown
Indices
Applied
Diamond indexes
Lume
None
Super-LumiNova
Movement
6 specsCaliber
—
L592.5
Power Reserve
40h
45h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
Hours, minutes, seconds and date
Pricing
1 specsMSRP
$545
$2,450
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