Which is cheaper, the Marathon OSAR-D (Original SAR with Date) Automatic 41mm or the Serica Ref. 5330 Diving Chronometer Date?

At MSRP the Marathon OSAR-D (Original SAR with Date) Automatic 41mm is the cheaper of the two at $1,800, against $2,005 for the Serica Ref. 5330 Diving Chronometer Date — a $205 gap before any retailer discounting.

Which is bigger, the Marathon OSAR-D (Original SAR with Date) Automatic 41mm or the Serica Ref. 5330 Diving Chronometer Date?

The Marathon OSAR-D (Original SAR with Date) Automatic 41mm 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 Marathon OSAR-D (Original SAR with Date) Automatic 41mm 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 OSAR-D (Original SAR with Date) Automatic 41mm.

What movement does the Marathon OSAR-D (Original SAR with Date) Automatic 41mm run compared to the Serica Ref. 5330 Diving Chronometer Date?

Both watches run automatic movements — the Marathon OSAR-D (Original SAR with Date) Automatic 41mm uses the Sellita SW220-1 and the Serica Ref. 5330 Diving Chronometer Date uses the SoProd M100.

Side by side

Marathon OSAR-D (Original SAR with Date) Automatic 41mmvsSerica Ref. 5330 Diving Chronometer Date

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

Marathon OSAR-D (Original SAR with Date) Automatic 41mm

41mm-original-sar-w-date-osar-d

MSRP $1,800

Serica Ref. 5330 Diving Chronometer Date

5330-chronometre-plongee-date

MSRP $2,005

At a glance

11 of 29 specs differ

Diameter

OSAR-D (Original SAR with Date) Automatic 41mm41mm

Ref. 5330 Diving Chronometer Date39mm

Power Reserve

OSAR-D (Original SAR with Date) Automatic 41mm40h

Ref. 5330 Diving Chronometer Date42h

Water Resistance

OSAR-D (Original SAR with Date) Automatic 41mm300m

Ref. 5330 Diving Chronometer Date300m

MSRP

OSAR-D (Original SAR with Date) Automatic 41mm$1,800

Ref. 5330 Diving Chronometer Date$2,005

Full specifications

Case

5 specs

Diameter

41mm

39mm

Thickness

13mm

12.2mm

Lug-to-Lug

43.5mm

46.5mm

Lug Width

18mm

20mm

Material

316L Stainless Steel

Stainless Steel

Crystal & Dial

2 specs

AR Coating

Inner

Yes

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

$1,800

$2,005

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