Side by side
Lum-Tec B64 ChronographvsLongines MASTER COLLECTION
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
21 of 29 specs differDiameter
B64 Chronograph44mm
MASTER COLLECTION34mm
Power Reserve
B64 Chronograph40h
MASTER COLLECTION—
Water Resistance
B64 Chronograph100m
MASTER COLLECTION30m
MSRP
B64 Chronograph$545
MASTER COLLECTION$2,450
Full specifications
Case
9 specsCategory
Chronograph
Dress
Diameter
44mm
34mm
Thickness
—
9.2mm
Lug-to-Lug
51.5mm
41.7mm
Lug Width
22mm
18mm
Material
Titanium (DLC coated)
Stainless Steel
Finish
Brushed and polished
—
Water Resistance
100m
30m
Caseback
Solid
—
Crystal & Dial
5 specsCrystal
Domed Sapphire
Sapphire
Crystal Shape
Flat
—
AR Coating
Inner
—
Dial Color
Standard
Ivory
Indices
Applied
—
Movement
6 specsCaliber
—
L888.5
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
0h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Pricing
1 specsMSRP
$545
$2,450
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