Side by side
Lum-Tec B64 ChronographvsOrient Stretto Day & Night
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
Stretto Day & Night41.5mm
Power Reserve
B64 Chronograph40h
Stretto Day & Night40h
Water Resistance
B64 Chronograph100m
Stretto Day & Night50m
MSRP
B64 Chronograph$545
Stretto Day & Night$420
Full specifications
Case
7 specsCategory
Chronograph
—
Diameter
44mm
41.5mm
Thickness
—
13mm
Lug-to-Lug
51.5mm
48mm
Material
Titanium (DLC coated)
Stainless Steel
Water Resistance
100m
50m
Caseback
Solid
Display
Crystal & Dial
2 specsCrystal
Domed Sapphire
Sapphire
Dial Color
Standard
White
Movement
4 specsCaliber
—
F6B24
Beat Rate
28,800 vph
21,600 vph
Jewels
25
22
Complications
None
GMT, Day-date
Pricing
1 specsMSRP
$545
$420
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