Which is cheaper, the Hemel Sky Racer Automatic or the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition?

At MSRP the Hemel Sky Racer Automatic is the cheaper of the two at $700, against $3,300 for the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition — a $2,600 gap before any retailer discounting.

Which is bigger, the Hemel Sky Racer Automatic or the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition?

The Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition wears larger at 44mm versus 43mm for the Hemel Sky Racer Automatic — a 1mm difference across the dial.

Which has better water resistance, the Hemel Sky Racer Automatic or the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition?

The Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition is rated to 200m versus 50m for the Hemel Sky Racer Automatic.

Which has a longer power reserve, the Hemel Sky Racer Automatic or the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition?

The Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition carries a 50-hour power reserve against 40 hours on the Hemel Sky Racer Automatic.

What movement does the Hemel Sky Racer Automatic run compared to the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition?

Both watches run automatic movements — the Hemel Sky Racer Automatic uses the SL4617 and the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition uses the 8L35.

Side by side

Hemel Sky Racer AutomaticvsSeiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition

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

Hemel Sky Racer Automatic

sky-racer

MSRP $700

Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition

sla061j1

MSRP $3,300

At a glance

15 of 29 specs differ

Diameter

Sky Racer Automatic43mm

Prospex Sea 1970 Heritage Diver's Black Series Limited Edition44mm

Power Reserve

Sky Racer Automatic40h

Prospex Sea 1970 Heritage Diver's Black Series Limited Edition50h

Water Resistance

Sky Racer Automatic50m

Prospex Sea 1970 Heritage Diver's Black Series Limited Edition200m

MSRP

Sky Racer Automatic$700

Prospex Sea 1970 Heritage Diver's Black Series Limited Edition$3,300

Full specifications

Case

6 specs

Crystal & Dial

5 specs

Crystal

Domed Sapphire

Sapphire

Crystal Shape

Flat

Curved

AR Coating

Inner

Anti-reflective coating on inner surface

Dial Color

Panda

Black

Lume

None

LumiBrite on hands, index(es) and bezel

Movement

3 specs

Caliber

SL4617

8L35

Power Reserve

40h

50h

Jewels

Pricing

1 specs

MSRP

$700

$3,300

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