Which is cheaper, the Hemel HFC Mechanical Chronograph or the Seiko Prospex Sea?

At MSRP the Hemel HFC Mechanical Chronograph is the cheaper of the two at $550, against $795 for the Seiko Prospex Sea — a $245 gap before any retailer discounting.

Which is bigger, the Hemel HFC Mechanical Chronograph or the Seiko Prospex Sea?

The Hemel HFC Mechanical Chronograph wears larger at 40mm versus 34mm for the Seiko Prospex Sea — a 6mm difference across the dial.

Which has better water resistance, the Hemel HFC Mechanical Chronograph or the Seiko Prospex Sea?

The Hemel HFC Mechanical Chronograph is rated to 100m versus 20m for the Seiko Prospex Sea.

What movement does the Hemel HFC Mechanical Chronograph run compared to the Seiko Prospex Sea?

The Hemel HFC Mechanical Chronograph runs a manual caliber (Seagull ST19), while the Seiko Prospex Sea runs a quartz (6N01).

Side by side

Hemel HFC Mechanical ChronographvsSeiko Prospex Sea

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

Hemel HFC Mechanical Chronograph

the-airfoil

MSRP $550

Seiko Prospex Sea

sur595j1

MSRP $795

At a glance

14 of 29 specs differ

Diameter

HFC Mechanical Chronograph40mm

Prospex Sea34mm

Power Reserve

HFC Mechanical Chronograph40h

Prospex Sea40h

Water Resistance

HFC Mechanical Chronograph100m

Prospex Sea200m

MSRP

HFC Mechanical Chronograph$550

Prospex Sea$795

Full specifications

Case

7 specs

Crystal & Dial

4 specs

Crystal

Domed Sapphire

Sapphire

AR Coating

Inner

Anti-reflective coating on inner surface

Dial Color

Airfoil (1970s British Pilot)

Black

Lume

None

LumiBrite on hands and index(es)

Movement

2 specs

Caliber

Seagull ST19

6N01

Type

Manual

Quartz

Pricing

1 specs

MSRP

$550

$795

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Hemel HFC Mechanical ChronographvsSeiko Prospex Sea

At a glance

Full specifications

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