Side by side
Lum-Tec B64 ChronographvsOrient Bambino Open Heart
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
17 of 29 specs differDiameter
B64 Chronograph44mm
Bambino Open Heart40.5mm
Power Reserve
B64 Chronograph40h
Bambino Open Heart40h
Water Resistance
B64 Chronograph100m
Bambino Open Heart30m
MSRP
B64 Chronograph$545
Bambino Open Heart$315
Full specifications
Case
8 specsCategory
Chronograph
—
Diameter
44mm
40.5mm
Thickness
—
12mm
Lug-to-Lug
51.5mm
46mm
Lug Width
22mm
21mm
Material
Titanium (DLC coated)
Stainless Steel
Water Resistance
100m
30m
Caseback
Solid
Display
Crystal & Dial
5 specsCrystal
Domed Sapphire
Mineral
Crystal Shape
Flat
—
AR Coating
Inner
—
Dial Color
Standard
White
Indices
Applied
—
Movement
3 specsCaliber
—
FT622
Beat Rate
28,800 vph
21,600 vph
Jewels
25
22
Pricing
1 specsMSRP
$545
$315
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