Which is cheaper, the Oblvlo FM SL Day-Date Square or the Seiko Astron GPS Solar 2025 Limited Edition?

At MSRP the Oblvlo FM SL Day-Date Square is the cheaper of the two at $158, against $2,600 for the Seiko Astron GPS Solar 2025 Limited Edition — a $2,442 gap before any retailer discounting.

Which is bigger, the Oblvlo FM SL Day-Date Square or the Seiko Astron GPS Solar 2025 Limited Edition?

The Seiko Astron GPS Solar 2025 Limited Edition 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 Seiko Astron GPS Solar 2025 Limited Edition?

The Oblvlo FM SL Day-Date Square is rated to 50m versus 10m for the Seiko Astron GPS Solar 2025 Limited Edition.

Which has a longer power reserve, the Oblvlo FM SL Day-Date Square or the Seiko Astron GPS Solar 2025 Limited Edition?

The Oblvlo FM SL Day-Date Square carries a 42-hour power reserve against 40 hours on the Seiko Astron GPS Solar 2025 Limited Edition.

What movement does the Oblvlo FM SL Day-Date Square run compared to the Seiko Astron GPS Solar 2025 Limited Edition?

The Oblvlo FM SL Day-Date Square runs a automatic caliber (Miyota 8215), while the Seiko Astron GPS Solar 2025 Limited Edition runs a quartz (3X62).

Side by side

Oblvlo FM SL Day-Date SquarevsSeiko Astron GPS Solar 2025 Limited Edition

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

Seiko Astron GPS Solar 2025 Limited Edition

ssj029j1

MSRP $2,600

At a glance

14 of 29 specs differ

Diameter

FM SL Day-Date Square39mm

Astron GPS Solar 2025 Limited Edition42mm

Power Reserve

FM SL Day-Date Square42h

Astron GPS Solar 2025 Limited Edition40h

Water Resistance

FM SL Day-Date Square50m

Astron GPS Solar 2025 Limited Edition100m

MSRP

FM SL Day-Date Square$158

Astron GPS Solar 2025 Limited Edition$2,600

Full specifications

Case

7 specs

Crystal & Dial

2 specs

AR Coating

Inner

Super-clear coating

Lume

None

LumiBrite on hands and index(es)

Movement

4 specs

Caliber

Miyota 8215

3X62

Type

Automatic

Quartz

Power Reserve

42h

40h

Jewels

Pricing

1 specs

MSRP

$158

$2,600

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