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

At MSRP the Hemel HFC Mechanical Chronograph is the cheaper of the two at $550, against $4,600 for the Tudor Black Bay One 31 — a $4,050 gap before any retailer discounting.

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

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

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

The Tudor Black Bay One 31 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?

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

Side by side

Hemel HFC Mechanical ChronographvsTudor Black Bay One 31

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

m79600-0001

MSRP $4,600

At a glance

14 of 29 specs differ

Diameter

HFC Mechanical Chronograph40mm

Black Bay One 3131mm

Power Reserve

HFC Mechanical Chronograph40h

Black Bay One 3150h

Water Resistance

HFC Mechanical Chronograph100m

Black Bay One 31100m

MSRP

HFC Mechanical Chronograph$550

Black Bay One 31$4,600

Full specifications

Case

8 specs

Crystal & Dial

2 specs

Crystal

Domed Sapphire

Sapphire

Dial Color

Airfoil (1970s British Pilot)

Anthracite

Movement

3 specs

Caliber

Seagull ST19

MT5201

Type

Manual

Automatic

Power Reserve

40h

50h

Pricing

1 specs

MSRP

$550

$4,600

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