Which is cheaper, the Hemel HFC Mechanical Chronograph or the Tudor Black Bay One 31 S&G?

At MSRP the Hemel HFC Mechanical Chronograph is the cheaper of the two at $550, against $6,850 for the Tudor Black Bay One 31 S&G — a $6,300 gap before any retailer discounting.

Which is bigger, the Hemel HFC Mechanical Chronograph or the Tudor Black Bay One 31 S&G?

The Hemel HFC Mechanical Chronograph wears larger at 40mm versus 31mm for the Tudor Black Bay One 31 S&G — a 9mm difference across the dial.

Which has a longer power reserve, the Hemel HFC Mechanical Chronograph or the Tudor Black Bay One 31 S&G?

The Tudor Black Bay One 31 S&G carries a 50-hour power reserve against 40 hours on the Hemel HFC Mechanical Chronograph.

What movement does the Hemel HFC Mechanical Chronograph run compared to the Tudor Black Bay One 31 S&G?

The Hemel HFC Mechanical Chronograph runs a manual caliber (Seagull ST19), while the Tudor Black Bay One 31 S&G runs a automatic (MT5201).

Side by side

Hemel HFC Mechanical ChronographvsTudor Black Bay One 31 S&G

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

Hemel HFC Mechanical Chronograph

the-airfoil

MSRP $550

Tudor Black Bay One 31 S&G

m79603-0001

MSRP $6,850

At a glance

14 of 29 specs differ

Diameter

HFC Mechanical Chronograph40mm

Black Bay One 31 S&G31mm

Power Reserve

HFC Mechanical Chronograph40h

Black Bay One 31 S&G50h

Water Resistance

HFC Mechanical Chronograph100m

Black Bay One 31 S&G100m

MSRP

HFC Mechanical Chronograph$550

Black Bay One 31 S&G$6,850

Full specifications

Case

8 specs

Crystal & Dial

2 specs

Crystal

Domed Sapphire

Sapphire

Dial Color

Airfoil (1970s British Pilot)

Black

Movement

3 specs

Caliber

Seagull ST19

MT5201

Type

Manual

Automatic

Power Reserve

40h

50h

Pricing

1 specs

MSRP

$550

$6,850

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