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

At MSRP the Hemel HFC Mechanical Chronograph is the cheaper of the two at $550, against $650 for the Seiko Prospex Sea PADI Special Edition — a $100 gap before any retailer discounting.

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

The Seiko Prospex Sea PADI Special Edition wears larger at 45mm versus 40mm for the Hemel HFC Mechanical Chronograph — a 5mm difference across the dial.

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

The Seiko Prospex Sea PADI Special Edition is rated to 200m versus 100m for the Hemel HFC Mechanical Chronograph.

Which has a longer power reserve, the Hemel HFC Mechanical Chronograph or the Seiko Prospex Sea PADI Special Edition?

The Seiko Prospex Sea PADI Special Edition carries a 41-hour power reserve against 40 hours on the Hemel HFC Mechanical Chronograph.

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

The Hemel HFC Mechanical Chronograph runs a manual caliber (Seagull ST19), while the Seiko Prospex Sea PADI Special Edition runs a automatic (4R36).

Side by side

Hemel HFC Mechanical ChronographvsSeiko Prospex Sea PADI Special Edition

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 PADI Special Edition

srpk01

MSRP $650

At a glance

16 of 29 specs differ

Diameter

HFC Mechanical Chronograph40mm

Prospex Sea PADI Special Edition45mm

Power Reserve

HFC Mechanical Chronograph40h

Prospex Sea PADI Special Edition41h

Water Resistance

HFC Mechanical Chronograph100m

Prospex Sea PADI Special Edition200m

MSRP

HFC Mechanical Chronograph$550

Prospex Sea PADI Special Edition$650

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, index(es) and bezel

Movement

4 specs

Caliber

Seagull ST19

4R36

Type

Manual

Automatic

Power Reserve

40h

41h

Jewels

Pricing

1 specs

MSRP

$550

$650

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