Which is cheaper, the Hemel Sky Racer Mechanical or the Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch?

At MSRP the Hemel Sky Racer Mechanical is the cheaper of the two at $550, against $2,800 for the Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch — a $2,250 gap before any retailer discounting.

Which is bigger, the Hemel Sky Racer Mechanical or the Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch?

The Hemel Sky Racer Mechanical wears larger at 43mm versus 39.5mm for the Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch — a 3.5mm difference across the dial.

Which has better water resistance, the Hemel Sky Racer Mechanical or the Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch?

The Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch is rated to 200m versus 50m for the Hemel Sky Racer Mechanical.

Which has a longer power reserve, the Hemel Sky Racer Mechanical or the Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch?

The Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch carries a 45-hour power reserve against 40 hours on the Hemel Sky Racer Mechanical.

What movement does the Hemel Sky Racer Mechanical run compared to the Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch?

The Hemel Sky Racer Mechanical runs a manual caliber (Seagull ST19), while the Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch runs a automatic (6L37).

Side by side

Hemel Sky Racer MechanicalvsSeiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch

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

Hemel Sky Racer Mechanical

HF37MNB

MSRP $550

Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch

sje117j1

MSRP $2,800

At a glance

15 of 29 specs differ

Diameter

Sky Racer Mechanical43mm

Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch39.5mm

Power Reserve

Sky Racer Mechanical40h

Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch45h

Water Resistance

Sky Racer Mechanical50m

Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch200m

MSRP

Sky Racer Mechanical$550

Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch$2,800

Full specifications

Case

6 specs

Crystal & Dial

4 specs

Crystal

Domed Sapphire

Sapphire

Crystal Shape

Flat

Box

AR Coating

Inner

Anti-reflective coating on inner surface

Lume

None

LumiBrite on hands, index(es) and bezel

Movement

4 specs

Caliber

Seagull ST19

6L37

Type

Manual

Automatic

Power Reserve

40h

45h

Jewels

Pricing

1 specs

MSRP

$550

$2,800

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