Which is cheaper, the Oblvlo FM SL Day-Date Square or the Spinnaker Challenger Automatic?

At MSRP the Oblvlo FM SL Day-Date Square is the cheaper of the two at $158, against $289 for the Spinnaker Challenger Automatic — a $131 gap before any retailer discounting.

Which is bigger, the Oblvlo FM SL Day-Date Square or the Spinnaker Challenger Automatic?

The Spinnaker Challenger Automatic wears larger at 42mm versus 39mm for the Oblvlo FM SL Day-Date Square — a 3mm difference across the dial.

Which has better water resistance, the Oblvlo FM SL Day-Date Square or the Spinnaker Challenger Automatic?

The Spinnaker Challenger Automatic is rated to 200m 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 Spinnaker Challenger Automatic?

The Oblvlo FM SL Day-Date Square carries a 42-hour power reserve against 40 hours on the Spinnaker Challenger Automatic.

What movement does the Oblvlo FM SL Day-Date Square run compared to the Spinnaker Challenger Automatic?

Both watches run automatic movements — the Oblvlo FM SL Day-Date Square uses the Miyota 8215 and the Spinnaker Challenger Automatic uses the SII NH35A.

Side by side

Oblvlo FM SL Day-Date SquarevsSpinnaker Challenger Automatic

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

Spinnaker Challenger Automatic

challenger-automatic-depth-blue-sp-5159-11

MSRP $289

At a glance

12 of 29 specs differ

Diameter

FM SL Day-Date Square39mm

Challenger Automatic42mm

Power Reserve

FM SL Day-Date Square42h

Challenger Automatic40h

Water Resistance

FM SL Day-Date Square50m

Challenger Automatic200m

MSRP

FM SL Day-Date Square$158

Challenger Automatic$289

Full specifications

Case

7 specs

Crystal & Dial

1 specs

Dial Color

Black

Blue

Movement

3 specs

Caliber

Miyota 8215

SII NH35A

Power Reserve

42h

40h

Jewels

Pricing

1 specs

MSRP

$158

$289

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