Side by side
Borealis Watch Co. JamantavsOrient 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
Jamanta42.50mm
Bambino Open Heart40.5mm
Power Reserve
Jamanta40h
Bambino Open Heart40h
Water Resistance
Jamanta300m
Bambino Open Heart30m
MSRP
Jamanta$415
Bambino Open Heart$315
Full specifications
Case
7 specsCategory
Diver
—
Diameter
42.50mm
40.5mm
Thickness
13.30mm
12mm
Lug-to-Lug
50.40mm
46mm
Lug Width
22mm
21mm
Water Resistance
300m
30m
Caseback
Solid
Display
Crystal & Dial
6 specsCrystal
Sapphire
Mineral
Crystal Shape
Flat
—
AR Coating
Inner
—
Dial Color
Black
White
Indices
Applied
—
Lume
BGW9
None
Movement
3 specsCaliber
Miyota 9015
FT622
Beat Rate
28,800 vph
21,600 vph
Jewels
25
22
Pricing
1 specsMSRP
$415
$315
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