Which is cheaper, the Hemel Sky Racer Mechanical or the Seiko Prospex Sea?

At MSRP the Hemel Sky Racer Mechanical is the cheaper of the two at $550, against $625 for the Seiko Prospex Sea — a $75 gap before any retailer discounting.

Which is bigger, the Hemel Sky Racer Mechanical or the Seiko Prospex Sea?

The Seiko Prospex Sea wears larger at 43.8mm versus 43mm for the Hemel Sky Racer Mechanical — a 0.8mm difference across the dial.

Which has better water resistance, the Hemel Sky Racer Mechanical or the Seiko Prospex Sea?

The Seiko Prospex Sea 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 Sea?

The Seiko Prospex Sea carries a 41-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 Sea?

The Hemel Sky Racer Mechanical runs a manual caliber (Seagull ST19), while the Seiko Prospex Sea runs a automatic (4R35).

Side by side

Hemel Sky Racer MechanicalvsSeiko Prospex Sea

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 Sea

srpe37

MSRP $625

At a glance

15 of 29 specs differ

Diameter

Sky Racer Mechanical43mm

Prospex Sea43.8mm

Power Reserve

Sky Racer Mechanical40h

Prospex Sea41h

Water Resistance

Sky Racer Mechanical50m

Prospex Sea200m

MSRP

Sky Racer Mechanical$550

Prospex Sea$625

Full specifications

Case

7 specs

Crystal & Dial

3 specs

Crystal

Domed Sapphire

Sapphire

AR Coating

Inner

Anti-reflective coating on inner surface

Lume

None

LumiBrite on hands, index(es) and bezel

Movement

4 specs

Caliber

Seagull ST19

4R35

Type

Manual

Automatic

Power Reserve

40h

41h

Jewels

Pricing

1 specs

MSRP

$550

$625

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Hemel Sky Racer MechanicalvsSeiko Prospex Sea

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