Which is cheaper, the Serica Ref. 5330 Diving Chronometer Date or the Marathon GSAR (Government Search & Rescue) Diver's Automatic?

At MSRP the Serica Ref. 5330 Diving Chronometer Date is the cheaper of the two at $2,005, against $2,100 for the Marathon GSAR (Government Search & Rescue) Diver's Automatic — a $95 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5330 Diving Chronometer Date or the Marathon GSAR (Government Search & Rescue) Diver's Automatic?

The Marathon GSAR (Government Search & Rescue) Diver's Automatic wears larger at 41mm versus 39mm for the Serica Ref. 5330 Diving Chronometer Date — a 2mm difference across the dial.

Which has a longer power reserve, the Serica Ref. 5330 Diving Chronometer Date or the Marathon GSAR (Government Search & Rescue) Diver's Automatic?

The Serica Ref. 5330 Diving Chronometer Date carries a 42-hour power reserve against 40 hours on the Marathon GSAR (Government Search & Rescue) Diver's Automatic.

What movement does the Serica Ref. 5330 Diving Chronometer Date run compared to the Marathon GSAR (Government Search & Rescue) Diver's Automatic?

Both watches run automatic movements — the Serica Ref. 5330 Diving Chronometer Date uses the SoProd M100 and the Marathon GSAR (Government Search & Rescue) Diver's Automatic uses the Sellita SW200-1.

Side by side

Serica Ref. 5330 Diving Chronometer DatevsMarathon GSAR (Government Search & Rescue) Diver's Automatic

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

Marathon GSAR (Government Search & Rescue) Diver's Automatic

41mm-anthracite-large-divers-automatic-gsar-bdw

MSRP $2,100

At a glance

11 of 29 specs differ

Diameter

Ref. 5330 Diving Chronometer Date39mm

GSAR (Government Search & Rescue) Diver's Automatic41mm

Power Reserve

Ref. 5330 Diving Chronometer Date42h

GSAR (Government Search & Rescue) Diver's Automatic40h

Water Resistance

Ref. 5330 Diving Chronometer Date300m

GSAR (Government Search & Rescue) Diver's Automatic300m

MSRP

Ref. 5330 Diving Chronometer Date$2,005

GSAR (Government Search & Rescue) Diver's Automatic$2,100

Full specifications

Case

4 specs

Diameter

39mm

41mm

Thickness

12.2mm

14mm

Lug-to-Lug

46.5mm

48mm

Material

Stainless Steel

316L Stainless Steel

Crystal & Dial

3 specs

AR Coating

Yes

Inner

Dial Color

Black

Anthracite

Lume

Super-LumiNova

None

Movement

3 specs

Caliber

SoProd M100

Sellita SW200-1

Power Reserve

42h

40h

Complications

COSC, Date

None

Pricing

1 specs

MSRP

$2,005

$2,100

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