Which is cheaper, the Hamilton Khaki Aviation Pilot Pioneer Mechanical or the Vaer D4 Outerknown Solar Diver?

At MSRP the Vaer D4 Outerknown Solar Diver is the cheaper of the two at $549, against $975 for the Hamilton Khaki Aviation Pilot Pioneer Mechanical — a $426 gap before any retailer discounting.

Which is bigger, the Hamilton Khaki Aviation Pilot Pioneer Mechanical or the Vaer D4 Outerknown Solar Diver?

The Vaer D4 Outerknown Solar Diver wears larger at 39mm versus 36mm for the Hamilton Khaki Aviation Pilot Pioneer Mechanical — a 3mm difference across the dial.

What movement does the Hamilton Khaki Aviation Pilot Pioneer Mechanical run compared to the Vaer D4 Outerknown Solar Diver?

The Hamilton Khaki Aviation Pilot Pioneer Mechanical runs a manual caliber (H-50), while the Vaer D4 Outerknown Solar Diver runs a quartz.

Side by side

Hamilton Khaki Aviation Pilot Pioneer MechanicalvsVaer D4 Outerknown Solar Diver

Q: Which has better water resistance, the Hamilton Khaki Aviation Pilot Pioneer Mechanical or the Vaer D4 Outerknown Solar Diver?

The Vaer D4 Outerknown Solar Diver is rated to 200m versus 100m for the Hamilton Khaki Aviation Pilot Pioneer Mechanical.

Q: Which has a longer power reserve, the Hamilton Khaki Aviation Pilot Pioneer Mechanical or the Vaer D4 Outerknown Solar Diver?

The Hamilton Khaki Aviation Pilot Pioneer Mechanical carries a 80-hour power reserve against 40 hours on the Vaer D4 Outerknown Solar Diver.

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Hamilton Khaki Aviation Pilot Pioneer Mechanical

h76419931

MSRP $975

Vaer D4 Outerknown Solar Diver

d4-outerknown-usa-solar-diver-marine

MSRP $549

At a glance

12 of 29 specs differ

Diameter

Khaki Aviation Pilot Pioneer Mechanical36mm

D4 Outerknown Solar Diver39mm

Power Reserve

Khaki Aviation Pilot Pioneer Mechanical80h

D4 Outerknown Solar Diver40h

Water Resistance

Khaki Aviation Pilot Pioneer Mechanical100m

D4 Outerknown Solar Diver200m

MSRP

Khaki Aviation Pilot Pioneer Mechanical$975

D4 Outerknown Solar Diver$549

Full specifications

Case

6 specs

Crystal & Dial

2 specs

Crystal

Mineral

Domed Sapphire

Dial Color

Black

Blue

Movement

3 specs

Caliber

H-50

—

Type

Manual

Quartz

Power Reserve

80h

40h

Pricing

1 specs

MSRP

$975

$549

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