Side by side
Northern Star Watch SentinelvsOrient Bambino Open Heart
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
15 of 29 specs differDiameter
Sentinel40.5mm
Bambino Open Heart40.5mm
Power Reserve
Sentinel42h
Bambino Open Heart40h
Water Resistance
Sentinel50m
Bambino Open Heart30m
MSRP
Sentinel$649
Bambino Open Heart$315
Full specifications
Case
6 specsCategory
—
—
Thickness
10.1mm
12mm
Lug-to-Lug
43.72mm
46mm
Lug Width
20mm
21mm
Water Resistance
50m
30m
Caseback
Solid
Display
Crystal & Dial
4 specsCrystal
Sapphire
Mineral
Crystal Shape
Flat
—
AR Coating
Inner
—
Indices
Applied
—
Movement
4 specsCaliber
Miyota 90S5
FT622
Beat Rate
28,800 vph
21,600 vph
Power Reserve
42h
40h
Jewels
25
22
Pricing
1 specsMSRP
$649
$315
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