Which is cheaper, the Hemel Sky Racer Mechanical or the Seestern S471 Double Crown Diver?

At MSRP the Seestern S471 Double Crown Diver is the cheaper of the two at $179, against $550 for the Hemel Sky Racer Mechanical — a $371 gap before any retailer discounting.

Which is bigger, the Hemel Sky Racer Mechanical or the Seestern S471 Double Crown Diver?

The Hemel Sky Racer Mechanical wears larger at 43mm versus 38mm for the Seestern S471 Double Crown Diver — a 5mm difference across the dial.

Which has better water resistance, the Hemel Sky Racer Mechanical or the Seestern S471 Double Crown Diver?

The Seestern S471 Double Crown Diver is rated to 100m versus 50m for the Hemel Sky Racer Mechanical.

Which has a longer power reserve, the Hemel Sky Racer Mechanical or the Seestern S471 Double Crown Diver?

The Seestern S471 Double Crown Diver carries a 35h+-hour power reserve against 40 hours on the Hemel Sky Racer Mechanical.

What movement does the Hemel Sky Racer Mechanical run compared to the Seestern S471 Double Crown Diver?

The Hemel Sky Racer Mechanical runs a manual caliber (Seagull ST19), while the Seestern S471 Double Crown Diver runs a automatic (Miyota 8215).

Side by side

Hemel Sky Racer MechanicalvsSeestern S471 Double Crown Diver

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

Hemel Sky Racer Mechanical

HF37MNB

MSRP $550

Seestern S471 Double Crown Diver

S471

MSRP $179

At a glance

14 of 29 specs differ

Diameter

Sky Racer Mechanical43mm

S471 Double Crown Diver38mm

Power Reserve

Sky Racer Mechanical40h

S471 Double Crown Diver35h+h

Water Resistance

Sky Racer Mechanical50m

S471 Double Crown Diver100m

MSRP

Sky Racer Mechanical$550

S471 Double Crown Diver$179

Full specifications

Case

5 specs

Crystal & Dial

2 specs

Crystal

Domed Sapphire

Sapphire

Dial Color

Black

Blue

Movement

6 specs

Caliber

Seagull ST19

Miyota 8215

Type

Manual

Automatic

Beat Rate

28,800 vph

3 vph

Power Reserve

40h

35h+h

Jewels

Complications

None

Date

Pricing

1 specs

MSRP

$550

$179

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