Which is cheaper, the Hemel HFC Mechanical Chronograph or the Marathon Steel Navigator SSNAV-D Auto?

At MSRP the Hemel HFC Mechanical Chronograph is the cheaper of the two at $550, against $1,400 for the Marathon Steel Navigator SSNAV-D Auto — a $850 gap before any retailer discounting.

Which is bigger, the Hemel HFC Mechanical Chronograph or the Marathon Steel Navigator SSNAV-D Auto?

The Marathon Steel Navigator SSNAV-D Auto wears larger at 41mm versus 40mm for the Hemel HFC Mechanical Chronograph — a 1mm difference across the dial.

Which has better water resistance, the Hemel HFC Mechanical Chronograph or the Marathon Steel Navigator SSNAV-D Auto?

The Hemel HFC Mechanical Chronograph is rated to 100m versus 60m for the Marathon Steel Navigator SSNAV-D Auto.

What movement does the Hemel HFC Mechanical Chronograph run compared to the Marathon Steel Navigator SSNAV-D Auto?

The Hemel HFC Mechanical Chronograph runs a manual caliber (Seagull ST19), while the Marathon Steel Navigator SSNAV-D Auto runs a automatic (Sellita SW220-1).

Side by side

Hemel HFC Mechanical ChronographvsMarathon Steel Navigator SSNAV-D Auto

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

Hemel HFC Mechanical Chronograph

the-airfoil

MSRP $550

Marathon Steel Navigator SSNAV-D Auto

41mm-steel-navigator-automatic-w-date-ssnav-d-on-ballistic-nylon

MSRP $1,400

At a glance

10 of 29 specs differ

Diameter

HFC Mechanical Chronograph40mm

Steel Navigator SSNAV-D Auto41mm

Power Reserve

HFC Mechanical Chronograph40h

Steel Navigator SSNAV-D Auto40h

Water Resistance

HFC Mechanical Chronograph100m

Steel Navigator SSNAV-D Auto60m

MSRP

HFC Mechanical Chronograph$550

Steel Navigator SSNAV-D Auto$1,400

Full specifications

Case

5 specs

Crystal & Dial

2 specs

Crystal

Domed Sapphire

Sapphire

Dial Color

Airfoil (1970s British Pilot)

Black

Movement

2 specs

Caliber

Seagull ST19

Sellita SW220-1

Type

Manual

Automatic

Pricing

1 specs

MSRP

$550

$1,400

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