Which is cheaper, the Marathon Arctic OSAR 46mm Automatic or the Serica Ref. 5330 Diving Chronometer Date?

At MSRP the Serica Ref. 5330 Diving Chronometer Date is the cheaper of the two at $2,005, against $2,500 for the Marathon Arctic OSAR 46mm Automatic — a $495 gap before any retailer discounting.

Which is bigger, the Marathon Arctic OSAR 46mm Automatic or the Serica Ref. 5330 Diving Chronometer Date?

The Marathon Arctic OSAR 46mm Automatic wears larger at 46mm versus 39mm for the Serica Ref. 5330 Diving Chronometer Date — a 7mm difference across the dial.

Which has a longer power reserve, the Marathon Arctic OSAR 46mm Automatic or the Serica Ref. 5330 Diving Chronometer Date?

The Serica Ref. 5330 Diving Chronometer Date carries a 42-hour power reserve against 40 hours on the Marathon Arctic OSAR 46mm Automatic.

What movement does the Marathon Arctic OSAR 46mm Automatic run compared to the Serica Ref. 5330 Diving Chronometer Date?

Both watches run automatic movements — the Marathon Arctic OSAR 46mm Automatic uses the Sellita SW220-1 and the Serica Ref. 5330 Diving Chronometer Date uses the SoProd M100.

Side by side

Marathon Arctic OSAR 46mm AutomaticvsSerica Ref. 5330 Diving Chronometer Date

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

Marathon Arctic OSAR 46mm Automatic

46mm-arctic-original-sar-w-date-on-3-piece-rubber-strap-kit-osar-d

MSRP $2,500

Serica Ref. 5330 Diving Chronometer Date

5330-chronometre-plongee-date

MSRP $2,005

At a glance

12 of 29 specs differ

Diameter

Arctic OSAR 46mm Automatic46mm

Ref. 5330 Diving Chronometer Date39mm

Power Reserve

Arctic OSAR 46mm Automatic40h

Ref. 5330 Diving Chronometer Date42h

Water Resistance

Arctic OSAR 46mm Automatic300m

Ref. 5330 Diving Chronometer Date300m

MSRP

Arctic OSAR 46mm Automatic$2,500

Ref. 5330 Diving Chronometer Date$2,005

Full specifications

Case

5 specs

Diameter

46mm

39mm

Thickness

13mm

12.2mm

Lug-to-Lug

43.5mm

46.5mm

Lug Width

18mm

20mm

Material

316L Stainless Steel

Stainless Steel

Crystal & Dial

3 specs

AR Coating

Inner

Yes

Dial Color

White

Black

Lume

None

Super-LumiNova

Movement

3 specs

Caliber

Sellita SW220-1

SoProd M100

Power Reserve

40h

42h

Complications

None

COSC, Date

Pricing

1 specs

MSRP

$2,500

$2,005

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