Which is cheaper, the Hemel HFC Mechanical Chronograph or the Sternglas Naos Pro Automatik?

At MSRP the Hemel HFC Mechanical Chronograph is the cheaper of the two at $550, against $755 for the Sternglas Naos Pro Automatik — a $205 gap before any retailer discounting.

Which is bigger, the Hemel HFC Mechanical Chronograph or the Sternglas Naos Pro Automatik?

The Hemel HFC Mechanical Chronograph wears larger at 40mm versus 38mm for the Sternglas Naos Pro Automatik — a 2mm difference across the dial.

Which has better water resistance, the Hemel HFC Mechanical Chronograph or the Sternglas Naos Pro Automatik?

The Hemel HFC Mechanical Chronograph is rated to 100m versus 50m for the Sternglas Naos Pro Automatik.

Which has a longer power reserve, the Hemel HFC Mechanical Chronograph or the Sternglas Naos Pro Automatik?

The Sternglas Naos Pro Automatik 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 Sternglas Naos Pro Automatik?

The Hemel HFC Mechanical Chronograph runs a manual caliber (Seagull ST19), while the Sternglas Naos Pro Automatik runs a automatic (Miyota 9015).

Side by side

Hemel HFC Mechanical ChronographvsSternglas Naos Pro Automatik

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

Hemel HFC Mechanical Chronograph

the-airfoil

MSRP $550

Sternglas Naos Pro Automatik

naos-pro-automatik-alabaster

MSRP $755

At a glance

14 of 29 specs differ

Diameter

HFC Mechanical Chronograph40mm

Naos Pro Automatik38mm

Power Reserve

HFC Mechanical Chronograph40h

Naos Pro Automatik42h

Water Resistance

HFC Mechanical Chronograph100m

Naos Pro Automatik50m

MSRP

HFC Mechanical Chronograph$550

Naos Pro Automatik$755

Full specifications

Case

6 specs

Crystal & Dial

3 specs

Crystal

Domed Sapphire

Sapphire

Dial Color

Airfoil (1970s British Pilot)

—

Lume

None

Luminova Punkte

Movement

4 specs

Caliber

Seagull ST19

Miyota 9015

Type

Manual

Automatic

Power Reserve

40h

42h

Jewels

—

Pricing

1 specs

MSRP

$550

$755

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