Which is cheaper, the Serica Ref. 5303 Diving Chronometer or the Marnaut Dark Surge 300?

At MSRP the Marnaut Dark Surge 300 is the cheaper of the two at $1,390, against $1,768 for the Serica Ref. 5303 Diving Chronometer — a $378 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5303 Diving Chronometer or the Marnaut Dark Surge 300?

The Marnaut Dark Surge 300 wears larger at 41mm versus 39mm for the Serica Ref. 5303 Diving Chronometer — a 2mm difference across the dial.

Which has a longer power reserve, the Serica Ref. 5303 Diving Chronometer or the Marnaut Dark Surge 300?

The Serica Ref. 5303 Diving Chronometer carries a 42-hour power reserve against 41 hours on the Marnaut Dark Surge 300.

What movement does the Serica Ref. 5303 Diving Chronometer run compared to the Marnaut Dark Surge 300?

Both watches run automatic movements — the Serica Ref. 5303 Diving Chronometer uses the M100 COSC and the Marnaut Dark Surge 300 uses the Sellita SW200-1.

Side by side

Serica Ref. 5303 Diving ChronometervsMarnaut Dark Surge 300

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

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Serica Ref. 5303 Diving Chronometer

5303-1-diving-chronometer

MSRP $1,768

Marnaut Dark Surge 300

MSRP $1,390

At a glance

11 of 29 specs differ

Diameter

Ref. 5303 Diving Chronometer39mm

Dark Surge 30041mm

Power Reserve

Ref. 5303 Diving Chronometer42h

Dark Surge 30041h

Water Resistance

Ref. 5303 Diving Chronometer300m

Dark Surge 300300m

MSRP

Ref. 5303 Diving Chronometer$1,768

Dark Surge 300$1,390

Full specifications

Case

4 specs

Crystal & Dial

3 specs

AR Coating

Yes

Inner

Dial Color

Enamel Black

Adriatic

Lume

Super-LumiNova

SuperLuminova C3

Movement

3 specs

Caliber

M100 COSC

Sellita SW200-1

Power Reserve

42h

41h

Complications

COSC

None

Pricing

1 specs

MSRP

$1,768

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Serica Ref. 5303 Diving ChronometervsMarnaut Dark Surge 300

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