Which is cheaper, the Oblvlo FM SL Day-Date Square or the Marathon Steel Navigator SSNAV-D Auto?

At MSRP the Oblvlo FM SL Day-Date Square is the cheaper of the two at $158, against $1,400 for the Marathon Steel Navigator SSNAV-D Auto — a $1,242 gap before any retailer discounting.

Which is bigger, the Oblvlo FM SL Day-Date Square or the Marathon Steel Navigator SSNAV-D Auto?

The Marathon Steel Navigator SSNAV-D Auto 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 Steel Navigator SSNAV-D Auto?

The Marathon Steel Navigator SSNAV-D Auto 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 Steel Navigator SSNAV-D Auto?

The Oblvlo FM SL Day-Date Square carries a 42-hour power reserve against 40 hours on the Marathon Steel Navigator SSNAV-D Auto.

What movement does the Oblvlo FM SL Day-Date Square run compared to the Marathon Steel Navigator SSNAV-D Auto?

Both watches run automatic movements — the Oblvlo FM SL Day-Date Square uses the Miyota 8215 and the Marathon Steel Navigator SSNAV-D Auto uses the Sellita SW220-1.

Side by side

Oblvlo FM SL Day-Date SquarevsMarathon Steel Navigator SSNAV-D Auto

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 Steel Navigator SSNAV-D Auto

41mm-steel-navigator-automatic-w-date-ssnav-d-on-ballistic-nylon

MSRP $1,400

At a glance

10 of 29 specs differ

Diameter

FM SL Day-Date Square39mm

Steel Navigator SSNAV-D Auto41mm

Power Reserve

FM SL Day-Date Square42h

Steel Navigator SSNAV-D Auto40h

Water Resistance

FM SL Day-Date Square50m

Steel Navigator SSNAV-D Auto60m

MSRP

FM SL Day-Date Square$158

Steel Navigator SSNAV-D Auto$1,400

Full specifications

Case

6 specs

Movement

3 specs

Caliber

Miyota 8215

Sellita SW220-1

Power Reserve

42h

40h

Jewels

Pricing

1 specs

MSRP

$158

$1,400

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