Which is cheaper, the Bremont Supermarine 300M or the Hemel HFC Mechanical Chronograph?

At MSRP the Hemel HFC Mechanical Chronograph is the cheaper of the two at $550, against $3,550 for the Bremont Supermarine 300M — a $3,000 gap before any retailer discounting.

Which has better water resistance, the Bremont Supermarine 300M or the Hemel HFC Mechanical Chronograph?

The Bremont Supermarine 300M is rated to 300m versus 100m for the Hemel HFC Mechanical Chronograph.

What movement does the Bremont Supermarine 300M run compared to the Hemel HFC Mechanical Chronograph?

The Bremont Supermarine 300M runs a automatic caliber (BE-92AE), while the Hemel HFC Mechanical Chronograph runs a manual (Seagull ST19).

Side by side

Bremont Supermarine 300MvsHemel HFC Mechanical Chronograph

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

Bremont Supermarine 300M

sm40-nd-ss-gn-b

MSRP $3,550

Hemel HFC Mechanical Chronograph

the-airfoil

MSRP $550

At a glance

10 of 29 specs differ

Diameter

Supermarine 300M40mm

HFC Mechanical Chronograph40mm

Power Reserve

Supermarine 300M40h

HFC Mechanical Chronograph40h

Water Resistance

Supermarine 300M300m

HFC Mechanical Chronograph100m

MSRP

Supermarine 300M$3,550

HFC Mechanical Chronograph$550

Full specifications

Case

5 specs

Crystal & Dial

2 specs

Crystal

Sapphire

Domed Sapphire

Dial Color

Green

Airfoil (1970s British Pilot)

Movement

2 specs

Caliber

BE-92AE

Seagull ST19

Type

Automatic

Manual

Pricing

1 specs

MSRP

$3,550

$550

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