Which is cheaper, the Hemel HFC Mechanical Chronograph or the Grand Seiko SLGW007?

At MSRP the Hemel HFC Mechanical Chronograph is the cheaper of the two at $550, against $10,000 for the Grand Seiko SLGW007 — a $9,450 gap before any retailer discounting.

Which is bigger, the Hemel HFC Mechanical Chronograph or the Grand Seiko SLGW007?

The Hemel HFC Mechanical Chronograph wears larger at 40mm versus 38.6mm for the Grand Seiko SLGW007 — a 1.4mm difference across the dial.

Which has better water resistance, the Hemel HFC Mechanical Chronograph or the Grand Seiko SLGW007?

The Hemel HFC Mechanical Chronograph is rated to 100m versus 30m for the Grand Seiko SLGW007.

Which has a longer power reserve, the Hemel HFC Mechanical Chronograph or the Grand Seiko SLGW007?

The Grand Seiko SLGW007 carries a 80-hour power reserve against 40 hours on the Hemel HFC Mechanical Chronograph.

What movement does the Hemel HFC Mechanical Chronograph run compared to the Grand Seiko SLGW007?

Both watches run manual movements — the Hemel HFC Mechanical Chronograph uses the Seagull ST19 and the Grand Seiko SLGW007 uses the 9SA4.

Side by side

Hemel HFC Mechanical ChronographvsGrand Seiko SLGW007

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

Hemel HFC Mechanical Chronograph

the-airfoil

MSRP $550

Grand Seiko SLGW007

slgw007g

MSRP $10,000

At a glance

12 of 29 specs differ

Diameter

HFC Mechanical Chronograph40mm

SLGW00738.6mm

Power Reserve

HFC Mechanical Chronograph40h

SLGW00780h

Water Resistance

HFC Mechanical Chronograph100m

SLGW00730m

MSRP

HFC Mechanical Chronograph$550

SLGW007$10,000

Full specifications

Case

6 specs

Crystal & Dial

3 specs

Crystal

Domed Sapphire

Sapphire

AR Coating

Inner

Yes

Dial Color

Airfoil (1970s British Pilot)

Black

Movement

2 specs

Caliber

Seagull ST19

9SA4

Power Reserve

40h

80h

Pricing

1 specs

MSRP

$550

$10,000

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Hemel HFC Mechanical ChronographvsGrand Seiko SLGW007

At a glance

Full specifications

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