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

At MSRP the Hemel Sky Racer Mechanical is the cheaper of the two at $550, against $650 for the Seiko Prospex Sea PADI Special Edition — a $100 gap before any retailer discounting.

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

The Seiko Prospex Sea PADI Special Edition wears larger at 45mm versus 43mm for the Hemel Sky Racer Mechanical — a 2mm difference across the dial.

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

The Seiko Prospex Sea PADI Special Edition 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 PADI Special Edition?

The Seiko Prospex Sea PADI Special Edition 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 PADI Special Edition?

The Hemel Sky Racer Mechanical runs a manual caliber (Seagull ST19), while the Seiko Prospex Sea PADI Special Edition runs a automatic (4R36).

Side by side

Hemel Sky Racer MechanicalvsSeiko Prospex Sea PADI Special Edition

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 PADI Special Edition

srpk01

MSRP $650

At a glance

15 of 29 specs differ

Diameter

Sky Racer Mechanical43mm

Prospex Sea PADI Special Edition45mm

Power Reserve

Sky Racer Mechanical40h

Prospex Sea PADI Special Edition41h

Water Resistance

Sky Racer Mechanical50m

Prospex Sea PADI Special Edition200m

MSRP

Sky Racer Mechanical$550

Prospex Sea PADI Special Edition$650

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

4R36

Type

Manual

Automatic

Power Reserve

40h

41h

Jewels

Pricing

1 specs

MSRP

$550

$650

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