Which is cheaper, the Serica Ref. 5330 Diving Chronometer Date or the Oak & Oscar The Humboldt GMT?

At MSRP the Serica Ref. 5330 Diving Chronometer Date is the cheaper of the two at $2,005, against $2,175 for the Oak & Oscar The Humboldt GMT — a $170 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5330 Diving Chronometer Date or the Oak & Oscar The Humboldt GMT?

The Oak & Oscar The Humboldt GMT wears larger at 39.5mm versus 39mm for the Serica Ref. 5330 Diving Chronometer Date — a 0.5mm difference across the dial.

Which has better water resistance, the Serica Ref. 5330 Diving Chronometer Date or the Oak & Oscar The Humboldt GMT?

The Serica Ref. 5330 Diving Chronometer Date is rated to 300m versus 200m for the Oak & Oscar The Humboldt GMT.

Which has a longer power reserve, the Serica Ref. 5330 Diving Chronometer Date or the Oak & Oscar The Humboldt GMT?

The Oak & Oscar The Humboldt GMT carries a 56 hours-hour power reserve against 42 hours on the Serica Ref. 5330 Diving Chronometer Date.

What movement does the Serica Ref. 5330 Diving Chronometer Date run compared to the Oak & Oscar The Humboldt GMT?

Both watches run automatic movements — the Serica Ref. 5330 Diving Chronometer Date uses the SoProd M100 and the Oak & Oscar The Humboldt GMT uses the Sellita SW330.

Side by side

Serica Ref. 5330 Diving Chronometer DatevsOak & Oscar The Humboldt 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

Oak & Oscar The Humboldt GMT

HMBDLTGMT

MSRP $2,175

At a glance

16 of 29 specs differ

Diameter

Ref. 5330 Diving Chronometer Date39mm

The Humboldt GMT39.5mm

Power Reserve

Ref. 5330 Diving Chronometer Date42h

The Humboldt GMT56 hoursh

Water Resistance

Ref. 5330 Diving Chronometer Date300m

The Humboldt GMT200m

MSRP

Ref. 5330 Diving Chronometer Date$2,005

The Humboldt GMT$2,175

Full specifications

Case

8 specs

Crystal & Dial

3 specs

Crystal Shape

Flat

Double-domed

AR Coating

Yes

Underside

Dial Color

Black

White

Movement

4 specs

Caliber

SoProd M100

Sellita SW330

Beat Rate

28,800 vph

4 vph

Power Reserve

42h

56 hoursh

Complications

COSC, Date

None

Pricing

1 specs

MSRP

$2,005

$2,175

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