Which is cheaper, the Hemel HFC Mechanical Chronograph or the Seestern S450 Ocean Star?

At MSRP the Seestern S450 Ocean Star is the cheaper of the two at $299, against $550 for the Hemel HFC Mechanical Chronograph — a $251 gap before any retailer discounting.

Which has a longer power reserve, the Hemel HFC Mechanical Chronograph or the Seestern S450 Ocean Star?

The Seestern S450 Ocean Star carries a 41-hour power reserve against 40 hours on the Hemel HFC Mechanical Chronograph.

What movement does the Hemel HFC Mechanical Chronograph run compared to the Seestern S450 Ocean Star?

The Hemel HFC Mechanical Chronograph runs a manual caliber (Seagull ST19), while the Seestern S450 Ocean Star runs a automatic (TMI NH35A).

Side by side

Hemel HFC Mechanical ChronographvsSeestern S450 Ocean Star

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

Hemel HFC Mechanical Chronograph

the-airfoil

MSRP $550

Seestern S450 Ocean Star

S450.WS

MSRP $299

At a glance

13 of 29 specs differ

Diameter

HFC Mechanical Chronograph40mm

S450 Ocean Star40mm

Power Reserve

HFC Mechanical Chronograph40h

S450 Ocean Star41h

Water Resistance

HFC Mechanical Chronograph100m

S450 Ocean Star100m

MSRP

HFC Mechanical Chronograph$550

S450 Ocean Star$299

Full specifications

Case

3 specs

Crystal & Dial

3 specs

Crystal

Domed Sapphire

Sapphire

Dial Color

Airfoil (1970s British Pilot)

White

Lume

None

Tritium

Movement

6 specs

Caliber

Seagull ST19

TMI NH35A

Type

Manual

Automatic

Beat Rate

28,800 vph

21,600 vph

Power Reserve

40h

41h

Jewels

Complications

None

GMT, Date

Pricing

1 specs

MSRP

$550

$299

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