Which is cheaper, the Serica Ref. 5330 Diving Chronometer Date or the Zelos Spearfish GMT?

At MSRP the Zelos Spearfish GMT is the cheaper of the two at $999, against $2,005 for the Serica Ref. 5330 Diving Chronometer Date — a $1,006 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5330 Diving Chronometer Date or the Zelos Spearfish GMT?

The Zelos Spearfish GMT wears larger at 40mm versus 39mm for the Serica Ref. 5330 Diving Chronometer Date — a 1mm difference across the dial.

Which has better water resistance, the Serica Ref. 5330 Diving Chronometer Date or the Zelos Spearfish GMT?

The Serica Ref. 5330 Diving Chronometer Date is rated to 300m versus 200m for the Zelos Spearfish GMT.

Which has a longer power reserve, the Serica Ref. 5330 Diving Chronometer Date or the Zelos Spearfish GMT?

The Serica Ref. 5330 Diving Chronometer Date carries a 42-hour power reserve against 40 hours on the Zelos Spearfish GMT.

What movement does the Serica Ref. 5330 Diving Chronometer Date run compared to the Zelos Spearfish GMT?

Both watches run automatic movements — the Serica Ref. 5330 Diving Chronometer Date uses the SoProd M100 and the Zelos Spearfish GMT uses the Sellita SW330-2.

Side by side

Serica Ref. 5330 Diving Chronometer DatevsZelos Spearfish GMT

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

Serica Ref. 5330 Diving Chronometer Date

5330-chronometre-plongee-date

MSRP $2,005

Zelos Spearfish GMT

spearfish-gmt-frost

MSRP $999

At a glance

13 of 29 specs differ

Diameter

Ref. 5330 Diving Chronometer Date39mm

Spearfish GMT40mm

Power Reserve

Ref. 5330 Diving Chronometer Date42h

Spearfish GMT40h

Water Resistance

Ref. 5330 Diving Chronometer Date300m

Spearfish GMT200m

MSRP

Ref. 5330 Diving Chronometer Date$2,005

Spearfish GMT$999

Full specifications

Case

6 specs

Crystal & Dial

3 specs

AR Coating

Yes

Inner

Dial Color

Black

Frost

Lume

Super-LumiNova

None

Movement

3 specs

Caliber

SoProd M100

Sellita SW330-2

Power Reserve

42h

40h

Complications

COSC, Date

None

Pricing

1 specs

MSRP

$2,005

$999

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