Which is cheaper, the Zelos Nasa Edition (sellita) or the Hemel HFC Mechanical Chronograph?

At MSRP the Hemel HFC Mechanical Chronograph is the cheaper of the two at $550, against $629 for the Zelos Nasa Edition (sellita) — a $79 gap before any retailer discounting.

Which is bigger, the Zelos Nasa Edition (sellita) or the Hemel HFC Mechanical Chronograph?

The Hemel HFC Mechanical Chronograph wears larger at 40mm versus 39mm for the Zelos Nasa Edition (sellita) — a 1mm difference across the dial.

Which has better water resistance, the Zelos Nasa Edition (sellita) or the Hemel HFC Mechanical Chronograph?

The Hemel HFC Mechanical Chronograph is rated to 100m versus 50m for the Zelos Nasa Edition (sellita).

What movement does the Zelos Nasa Edition (sellita) run compared to the Hemel HFC Mechanical Chronograph?

Both watches run manual movements — the Zelos Nasa Edition (sellita) uses the ETA/Peseux 7001 and the Hemel HFC Mechanical Chronograph uses the Seagull ST19.

Side by side

Zelos Nasa Edition (sellita)vsHemel HFC Mechanical Chronograph

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

Zelos Nasa Edition (sellita)

comet-39mm-nasa

MSRP $629

Hemel HFC Mechanical Chronograph

the-airfoil

MSRP $550

At a glance

8 of 29 specs differ

Diameter

Nasa Edition (sellita)39mm

HFC Mechanical Chronograph40mm

Power Reserve

Nasa Edition (sellita)40h

HFC Mechanical Chronograph40h

Water Resistance

Nasa Edition (sellita)50m

HFC Mechanical Chronograph100m

MSRP

Nasa Edition (sellita)$629

HFC Mechanical Chronograph$550

Full specifications

Case

5 specs

Crystal & Dial

1 specs

Dial Color

NASA Edition (Sellita)

Airfoil (1970s British Pilot)

Movement

1 specs

Caliber

ETA/Peseux 7001

Seagull ST19

Pricing

1 specs

MSRP

$629

$550

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