Which is cheaper, the Hemel Sky Racer Mechanical or the Longines ULTRA-CHRON CLASSIC?

At MSRP the Hemel Sky Racer Mechanical is the cheaper of the two at $550, against $4,000 for the Longines ULTRA-CHRON CLASSIC — a $3,450 gap before any retailer discounting.

Which is bigger, the Hemel Sky Racer Mechanical or the Longines ULTRA-CHRON CLASSIC?

The Hemel Sky Racer Mechanical wears larger at 43mm versus 40mm for the Longines ULTRA-CHRON CLASSIC — a 3mm difference across the dial.

Which has better water resistance, the Hemel Sky Racer Mechanical or the Longines ULTRA-CHRON CLASSIC?

The Hemel Sky Racer Mechanical is rated to 50m versus 30m for the Longines ULTRA-CHRON CLASSIC.

Which has a longer power reserve, the Hemel Sky Racer Mechanical or the Longines ULTRA-CHRON CLASSIC?

The Longines ULTRA-CHRON CLASSIC carries a 72-hour power reserve against 40 hours on the Hemel Sky Racer Mechanical.

What movement does the Hemel Sky Racer Mechanical run compared to the Longines ULTRA-CHRON CLASSIC?

The Hemel Sky Racer Mechanical runs a manual caliber (Seagull ST19), while the Longines ULTRA-CHRON CLASSIC runs a automatic (L836.6).

Side by side

Hemel Sky Racer MechanicalvsLongines ULTRA-CHRON CLASSIC

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

Hemel Sky Racer Mechanical

HF37MNB

MSRP $550

Longines ULTRA-CHRON CLASSIC

L2.937.4.72.6

MSRP $4,000

At a glance

24 of 29 specs differ

Diameter

Sky Racer Mechanical43mm

ULTRA-CHRON CLASSIC40mm

Power Reserve

Sky Racer Mechanical40h

ULTRA-CHRON CLASSIC72h

Water Resistance

Sky Racer Mechanical50m

ULTRA-CHRON CLASSIC30m

MSRP

Sky Racer Mechanical$550

ULTRA-CHRON CLASSIC$4,000

Full specifications

Case

9 specs

Crystal & Dial

6 specs

Crystal

Domed Sapphire

Sapphire

Crystal Shape

Flat

—

AR Coating

Inner

Both sides

Dial Color

Black

Silver

Indices

Applied

Applied indexes

Lume

None

Super-LumiNova

Movement

8 specs

Caliber

Seagull ST19

L836.6

Type

Manual

Automatic

Beat Rate

28,800 vph

25,200 vph

Power Reserve

40h

72h

Jewels

Hacking

Yes

Hand-winding

Yes

Complications

None

Hours, minutes, seconds, moon phase display and date indicated by small hand at

Pricing

1 specs

MSRP

$550

$4,000

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