Which is bigger, the Hemel HFC Mechanical Chronograph or the Nadir Vespera?

The Nadir Vespera wears larger at 42mm versus 40mm for the Hemel HFC Mechanical Chronograph — a 2mm difference across the dial.

Which has a longer power reserve, the Hemel HFC Mechanical Chronograph or the Nadir Vespera?

The Nadir Vespera carries a 42-hour power reserve against 40 hours on the Hemel HFC Mechanical Chronograph.

What movement does the Hemel HFC Mechanical Chronograph run compared to the Nadir Vespera?

The Hemel HFC Mechanical Chronograph runs a manual caliber (Seagull ST19), while the Nadir Vespera runs a automatic (Miyota 9015).

Side by side

Hemel HFC Mechanical ChronographvsNadir Vespera

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

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Hemel HFC Mechanical Chronograph

the-airfoil

MSRP $550

nadir-vespera-grey

At a glance

12 of 29 specs differ

Diameter

HFC Mechanical Chronograph40mm

Vespera42mm

Power Reserve

HFC Mechanical Chronograph40h

Vespera42h

Water Resistance

HFC Mechanical Chronograph100m

Vespera100m

MSRP

HFC Mechanical Chronograph$550

Vespera—

Full specifications

Case

4 specs

Crystal & Dial

3 specs

Crystal

Domed Sapphire

Sapphire

Dial Color

Airfoil (1970s British Pilot)

Grey

Lume

None

Super-LumiNova BGW9

Movement

4 specs

Caliber

Seagull ST19

Miyota 9015

Type

Manual

Automatic

Power Reserve

40h

42h

Jewels

Pricing

1 specs

MSRP

$550

—

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Hemel HFC Mechanical ChronographvsNadir Vespera

At a glance

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