Which is cheaper, the Hemel HFC Mechanical Chronograph or the Seiko Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition?

At MSRP the Hemel HFC Mechanical Chronograph is the cheaper of the two at $550, against $1,400 for the Seiko Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition — a $850 gap before any retailer discounting.

Which has better water resistance, the Hemel HFC Mechanical Chronograph or the Seiko Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition?

The Seiko Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition is rated to 300m versus 100m for the Hemel HFC Mechanical Chronograph.

Which has a longer power reserve, the Hemel HFC Mechanical Chronograph or the Seiko Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition?

The Seiko Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition carries a 72-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 Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition?

The Hemel HFC Mechanical Chronograph runs a manual caliber (Seagull ST19), while the Seiko Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition runs a automatic (6R55).

Side by side

Hemel HFC Mechanical ChronographvsSeiko Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited 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 Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition

spb545j1

MSRP $1,400

At a glance

15 of 29 specs differ

Diameter

HFC Mechanical Chronograph40mm

Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition40mm

Power Reserve

HFC Mechanical Chronograph40h

Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition72h

Water Resistance

HFC Mechanical Chronograph100m

Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition300m

MSRP

HFC Mechanical Chronograph$550

Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition$1,400

Full specifications

Case

5 specs

Crystal & Dial

5 specs

Crystal

Domed Sapphire

Sapphire

Crystal Shape

Flat

Curved

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

6R55

Type

Manual

Automatic

Power Reserve

40h

72h

Jewels

Pricing

1 specs

MSRP

$550

$1,400

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