Which is cheaper, the Hamilton Khaki Aviation Pilot Day-Date - Air Zermatt Auto or the Hemel HFC Mechanical Chronograph?

At MSRP the Hemel HFC Mechanical Chronograph is the cheaper of the two at $550, against $1,075 for the Hamilton Khaki Aviation Pilot Day-Date - Air Zermatt Auto — a $525 gap before any retailer discounting.

Which is bigger, the Hamilton Khaki Aviation Pilot Day-Date - Air Zermatt Auto or the Hemel HFC Mechanical Chronograph?

The Hamilton Khaki Aviation Pilot Day-Date - Air Zermatt Auto wears larger at 42mm versus 40mm for the Hemel HFC Mechanical Chronograph — a 2mm difference across the dial.

What movement does the Hamilton Khaki Aviation Pilot Day-Date - Air Zermatt Auto run compared to the Hemel HFC Mechanical Chronograph?

The Hamilton Khaki Aviation Pilot Day-Date - Air Zermatt Auto runs a automatic caliber (H-40), while the Hemel HFC Mechanical Chronograph runs a manual (Seagull ST19).

Side by side

Hamilton Khaki Aviation Pilot Day-Date - Air Zermatt AutovsHemel HFC Mechanical Chronograph

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

Hamilton Khaki Aviation Pilot Day-Date - Air Zermatt Auto

h64625731

MSRP $1,075

Hemel HFC Mechanical Chronograph

the-airfoil

MSRP $550

At a glance

11 of 29 specs differ

Diameter

Khaki Aviation Pilot Day-Date - Air Zermatt Auto42mm

HFC Mechanical Chronograph40mm

Power Reserve

Khaki Aviation Pilot Day-Date - Air Zermatt Auto80h

HFC Mechanical Chronograph40h

Water Resistance

Khaki Aviation Pilot Day-Date - Air Zermatt Auto100m

HFC Mechanical Chronograph100m

MSRP

Khaki Aviation Pilot Day-Date - Air Zermatt Auto$1,075

HFC Mechanical Chronograph$550

Full specifications

Case

5 specs

Crystal & Dial

2 specs

Crystal

Sapphire

Domed Sapphire

Dial Color

Black

Airfoil (1970s British Pilot)

Movement

3 specs

Caliber

H-40

Seagull ST19

Type

Automatic

Manual

Power Reserve

80h

40h

Pricing

1 specs

MSRP

$1,075

$550

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