Which is cheaper, the Serica Ref. 5330 Diving Chronometer Date or the Lum-Tec Combat Field?

At MSRP the Lum-Tec Combat Field is the cheaper of the two at $695, against $2,005 for the Serica Ref. 5330 Diving Chronometer Date — a $1,310 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5330 Diving Chronometer Date or the Lum-Tec Combat Field?

The Lum-Tec Combat Field wears larger at 44mm versus 39mm for the Serica Ref. 5330 Diving Chronometer Date — a 5mm difference across the dial.

Which has better water resistance, the Serica Ref. 5330 Diving Chronometer Date or the Lum-Tec Combat Field?

The Serica Ref. 5330 Diving Chronometer Date is rated to 300m versus 200m for the Lum-Tec Combat Field.

Which has a longer power reserve, the Serica Ref. 5330 Diving Chronometer Date or the Lum-Tec Combat Field?

The Serica Ref. 5330 Diving Chronometer Date carries a 42-hour power reserve against 40 hours on the Lum-Tec Combat Field.

What movement does the Serica Ref. 5330 Diving Chronometer Date run compared to the Lum-Tec Combat Field?

Both watches run automatic movements — the Serica Ref. 5330 Diving Chronometer Date uses the SoProd M100 and the Lum-Tec Combat Field uses the Miyota 9075.

Side by side

Serica Ref. 5330 Diving Chronometer DatevsLum-Tec Combat Field

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

Lum-Tec Combat Field

combat-field-x6-gmt

MSRP $695

At a glance

15 of 29 specs differ

Diameter

Ref. 5330 Diving Chronometer Date39mm

Combat Field44mm

Power Reserve

Ref. 5330 Diving Chronometer Date42h

Combat Field40h

Water Resistance

Ref. 5330 Diving Chronometer Date300m

Combat Field200m

MSRP

Ref. 5330 Diving Chronometer Date$2,005

Combat Field$695

Full specifications

Case

7 specs

Crystal & Dial

4 specs

Crystal

Sapphire

Domed Sapphire

AR Coating

Yes

Inner

Dial Color

Black

X6 Titanium GMT

Lume

Super-LumiNova

None

Movement

3 specs

Caliber

SoProd M100

Miyota 9075

Power Reserve

42h

40h

Complications

COSC, Date

None

Pricing

1 specs

MSRP

$2,005

$695

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