Side by side
MKII Project 300vsOrient Helios
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
17 of 29 specs differDiameter
Project 30041.25mm
Helios40.5mm
Power Reserve
Project 300—
Helios40h
Water Resistance
Project 300300m
Helios30m
MSRP
Project 300$1,995
Helios$335
Full specifications
Case
7 specsCategory
—
—
Diameter
41.25mm
40.5mm
Thickness
13.45mm
12mm
Lug-to-Lug
—
47mm
Lug Width
20mm
21mm
Water Resistance
300m
30m
Caseback
Solid
Display
Crystal & Dial
5 specsCrystal
Sapphire
Mineral
Crystal Shape
Flat
—
AR Coating
Inner
—
Dial Color
—
Green
Indices
Applied
—
Movement
4 specsCaliber
ETA 2824-2
FT622
Beat Rate
28,800 vph
21,600 vph
Power Reserve
—
40h
Jewels
25
22
Pricing
1 specsMSRP
$1,995
$335
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