Side by side
Vaer D4 Outerknown Solar DivervsLongines SPIRIT PILOT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
22 of 29 specs differDiameter
D4 Outerknown Solar Diver39mm
SPIRIT PILOT39mm
Power Reserve
D4 Outerknown Solar Diver40h
SPIRIT PILOT72h
Water Resistance
D4 Outerknown Solar Diver200m
SPIRIT PILOT100m
MSRP
D4 Outerknown Solar Diver$549
SPIRIT PILOT$3,100
Full specifications
Case
7 specsCategory
Diver
Pilot
Thickness
13.18mm
11.5mm
Lug-to-Lug
46mm
47.2mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
—
Water Resistance
200m
100m
Caseback
Solid
Screw-down case back
Crystal & Dial
6 specsCrystal
Domed Sapphire
Sapphire
Crystal Shape
Flat
—
AR Coating
Inner
Both sides
Dial Color
Blue
Black
Indices
Applied
Applied Arabic numerals
Lume
None
Super-LumiNova
Movement
8 specsCaliber
—
L888.4
Type
Quartz
Automatic
Beat Rate
28,800 vph
25,200 vph
Power Reserve
40h
72h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
Hours, minutes, seconds
Pricing
1 specsMSRP
$549
$3,100
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