Which is cheaper, the Oblvlo FM SL Day-Date Square or the Marathon CeraShell Pilot's Navigator?

At MSRP the Oblvlo FM SL Day-Date Square is the cheaper of the two at $158, against $550 for the Marathon CeraShell Pilot's Navigator — a $392 gap before any retailer discounting.

Which is bigger, the Oblvlo FM SL Day-Date Square or the Marathon CeraShell Pilot's Navigator?

The Marathon CeraShell Pilot's Navigator wears larger at 41mm versus 39mm for the Oblvlo FM SL Day-Date Square — a 2mm difference across the dial.

Which has better water resistance, the Oblvlo FM SL Day-Date Square or the Marathon CeraShell Pilot's Navigator?

The Marathon CeraShell Pilot's Navigator is rated to 60m versus 50m for the Oblvlo FM SL Day-Date Square.

Which has a longer power reserve, the Oblvlo FM SL Day-Date Square or the Marathon CeraShell Pilot's Navigator?

The Oblvlo FM SL Day-Date Square carries a 42-hour power reserve against 40 hours on the Marathon CeraShell Pilot's Navigator.

What movement does the Oblvlo FM SL Day-Date Square run compared to the Marathon CeraShell Pilot's Navigator?

The Oblvlo FM SL Day-Date Square runs a automatic caliber (Miyota 8215), while the Marathon CeraShell Pilot's Navigator runs a quartz (ETA F06).

Side by side

Oblvlo FM SL Day-Date SquarevsMarathon CeraShell Pilot's Navigator

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

Oblvlo FM SL Day-Date Square

FM-SL-DD-D

MSRP $158

Marathon CeraShell Pilot's Navigator

41mm-cerashell-quartz-navigator-nav-on-ballistic-nylon-strap

MSRP $550

At a glance

12 of 29 specs differ

Diameter

FM SL Day-Date Square39mm

CeraShell Pilot's Navigator41mm

Power Reserve

FM SL Day-Date Square42h

CeraShell Pilot's Navigator40h

Water Resistance

FM SL Day-Date Square50m

CeraShell Pilot's Navigator60m

MSRP

FM SL Day-Date Square$158

CeraShell Pilot's Navigator$550

Full specifications

Case

7 specs

Movement

4 specs

Caliber

Miyota 8215

ETA F06

Type

Automatic

Quartz

Power Reserve

42h

40h

Jewels

Pricing

1 specs

MSRP

$158

$550

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