Which is cheaper, the Aera Instruments C-1 or the Hamilton Khaki Aviation Khaki Pilot Pioneer Auto Chrono?

At MSRP the Hamilton Khaki Aviation Khaki Pilot Pioneer Auto Chrono is the cheaper of the two at $1,995, against $2,200 for the Aera Instruments C-1 — a $205 gap before any retailer discounting.

Which is bigger, the Aera Instruments C-1 or the Hamilton Khaki Aviation Khaki Pilot Pioneer Auto Chrono?

The Aera Instruments C-1 wears larger at 42mm versus 41mm for the Hamilton Khaki Aviation Khaki Pilot Pioneer Auto Chrono — a 1mm difference across the dial.

Which has a longer power reserve, the Aera Instruments C-1 or the Hamilton Khaki Aviation Khaki Pilot Pioneer Auto Chrono?

The Hamilton Khaki Aviation Khaki Pilot Pioneer Auto Chrono carries a 60-hour power reserve against 56 hours on the Aera Instruments C-1.

What movement does the Aera Instruments C-1 run compared to the Hamilton Khaki Aviation Khaki Pilot Pioneer Auto Chrono?

Both watches run automatic movements — the Aera Instruments C-1 uses the SW510 BH B and the Hamilton Khaki Aviation Khaki Pilot Pioneer Auto Chrono uses the H-31.

Side by side

Aera Instruments C-1vsHamilton Khaki Aviation Khaki Pilot Pioneer Auto Chrono

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

Aera Instruments C-1

MSRP $2,200

Hamilton Khaki Aviation Khaki Pilot Pioneer Auto Chrono

h76416155

MSRP $1,995

At a glance

9 of 29 specs differ

Diameter

C-142mm

Khaki Aviation Khaki Pilot Pioneer Auto Chrono41mm

Power Reserve

C-156h

Khaki Aviation Khaki Pilot Pioneer Auto Chrono60h

Water Resistance

C-1100m

Khaki Aviation Khaki Pilot Pioneer Auto Chrono100m

MSRP

C-1$2,200

Khaki Aviation Khaki Pilot Pioneer Auto Chrono$1,995

Full specifications

Case

4 specs

Crystal & Dial

1 specs

Dial Color

Cloud

Beige

Movement

3 specs

Caliber

SW510 BH B

H-31

Power Reserve

56h

60h

Jewels

Pricing

1 specs

MSRP

$2,200

$1,995

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