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

At MSRP the Hemel HFC Mechanical Chronograph is the cheaper of the two at $550, against $2,200 for the Seiko Prospex SPEEDTIMER — a $1,650 gap before any retailer discounting.

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

The Seiko Prospex SPEEDTIMER wears larger at 42mm versus 40mm for the Hemel HFC Mechanical Chronograph — a 2mm difference across the dial.

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

The Hemel HFC Mechanical Chronograph is rated to 100m versus 10m for the Seiko Prospex SPEEDTIMER.

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

The Hemel HFC Mechanical Chronograph runs a manual caliber (Seagull ST19), while the Seiko Prospex SPEEDTIMER runs a quartz (5X83).

Side by side

Hemel HFC Mechanical ChronographvsSeiko Prospex SPEEDTIMER

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 SPEEDTIMER

ssh165j1

MSRP $2,200

At a glance

13 of 29 specs differ

Diameter

HFC Mechanical Chronograph40mm

Prospex SPEEDTIMER42mm

Power Reserve

HFC Mechanical Chronograph40h

Prospex SPEEDTIMER40h

Water Resistance

HFC Mechanical Chronograph100m

Prospex SPEEDTIMER100m

MSRP

HFC Mechanical Chronograph$550

Prospex SPEEDTIMER$2,200

Full specifications

Case

4 specs

Diameter

40mm

42mm

Thickness

13.4mm

12.9mm

Lug-to-Lug

47mm

49.6mm

Material

316L Stainless Steel

Stainless Steel

Crystal & Dial

5 specs

Crystal

Domed Sapphire

Sapphire

Crystal Shape

Flat

Curved

AR Coating

Inner

Super-clear coating

Dial Color

Airfoil (1970s British Pilot)

Black

Lume

None

LumiBrite on hands and index(es)

Movement

3 specs

Caliber

Seagull ST19

5X83

Type

Manual

Quartz

Jewels

Pricing

1 specs

MSRP

$550

$2,200

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