Which is cheaper, the Seestern Sub 300 V4 or the Hemel HFC Mechanical Chronograph?

At MSRP the Seestern Sub 300 V4 is the cheaper of the two at $10, against $550 for the Hemel HFC Mechanical Chronograph — a $540 gap before any retailer discounting.

Which is bigger, the Seestern Sub 300 V4 or the Hemel HFC Mechanical Chronograph?

The Seestern Sub 300 V4 wears larger at 42mm versus 40mm for the Hemel HFC Mechanical Chronograph — a 2mm difference across the dial.

Which has better water resistance, the Seestern Sub 300 V4 or the Hemel HFC Mechanical Chronograph?

The Seestern Sub 300 V4 is rated to 200m versus 100m for the Hemel HFC Mechanical Chronograph.

Which has a longer power reserve, the Seestern Sub 300 V4 or the Hemel HFC Mechanical Chronograph?

The Seestern Sub 300 V4 carries a 41-hour power reserve against 40 hours on the Hemel HFC Mechanical Chronograph.

What movement does the Seestern Sub 300 V4 run compared to the Hemel HFC Mechanical Chronograph?

The Seestern Sub 300 V4 runs a automatic caliber (Seiko NH35A), while the Hemel HFC Mechanical Chronograph runs a manual (Seagull ST19).

Side by side

Seestern Sub 300 V4vsHemel HFC Mechanical Chronograph

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

Seestern Sub 300 V4

Sub 300 V4

MSRP $10

Hemel HFC Mechanical Chronograph

the-airfoil

MSRP $550

At a glance

18 of 29 specs differ

Diameter

Sub 300 V442mm

HFC Mechanical Chronograph40mm

Power Reserve

Sub 300 V441h

HFC Mechanical Chronograph40h

Water Resistance

Sub 300 V4200m

HFC Mechanical Chronograph100m

MSRP

Sub 300 V4$10

HFC Mechanical Chronograph$550

Full specifications

Case

7 specs

Crystal & Dial

4 specs

Crystal

Sapphire

Domed Sapphire

AR Coating

Underside

Inner

Dial Color

Orange

Airfoil (1970s British Pilot)

Lume

Japan Lume (blue glow)

None

Movement

6 specs

Caliber

Seiko NH35A

Seagull ST19

Type

Automatic

Manual

Beat Rate

21,600 vph

28,800 vph

Power Reserve

41h

40h

Jewels

Complications

GMT, Date

None

Pricing

1 specs

MSRP

$10

$550

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Seestern Sub 300 V4vsHemel HFC Mechanical Chronograph

At a glance

Full specifications

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