Which is cheaper, the Bremont Altitude Perpetual Calendar GMT or the Hemel HFC Mechanical Chronograph?

At MSRP the Hemel HFC Mechanical Chronograph is the cheaper of the two at $550, against $38,450 for the Bremont Altitude Perpetual Calendar GMT — a $37,900 gap before any retailer discounting.

Which is bigger, the Bremont Altitude Perpetual Calendar GMT or the Hemel HFC Mechanical Chronograph?

The Bremont Altitude Perpetual Calendar GMT wears larger at 42mm versus 40mm for the Hemel HFC Mechanical Chronograph — a 2mm difference across the dial.

What movement does the Bremont Altitude Perpetual Calendar GMT run compared to the Hemel HFC Mechanical Chronograph?

The Bremont Altitude Perpetual Calendar GMT runs a automatic caliber, while the Hemel HFC Mechanical Chronograph runs a manual (Seagull ST19).

Side by side

Bremont Altitude Perpetual Calendar GMTvsHemel HFC Mechanical Chronograph

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

Bremont Altitude Perpetual Calendar GMT

alt42-per-ti-bl-b

MSRP $38,450

Hemel HFC Mechanical Chronograph

the-airfoil

MSRP $550

At a glance

12 of 29 specs differ

Diameter

Altitude Perpetual Calendar GMT42mm

HFC Mechanical Chronograph40mm

Power Reserve

Altitude Perpetual Calendar GMT40h

HFC Mechanical Chronograph40h

Water Resistance

Altitude Perpetual Calendar GMT—

HFC Mechanical Chronograph100m

MSRP

Altitude Perpetual Calendar GMT$38,450

HFC Mechanical Chronograph$550

Full specifications

Case

7 specs

Crystal & Dial

2 specs

Crystal

Sapphire

Domed Sapphire

Dial Color

Blue

Airfoil (1970s British Pilot)

Movement

2 specs

Caliber

—

Seagull ST19

Type

Automatic

Manual

Pricing

1 specs

MSRP

$38,450

$550

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