Which is cheaper, the Seestern Sub 300 V4 or the Oblvlo FM SL Day-Date Square?

At MSRP the Seestern Sub 300 V4 is the cheaper of the two at $10, against $158 for the Oblvlo FM SL Day-Date Square — a $148 gap before any retailer discounting.

Which is bigger, the Seestern Sub 300 V4 or the Oblvlo FM SL Day-Date Square?

The Seestern Sub 300 V4 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 Seestern Sub 300 V4 or the Oblvlo FM SL Day-Date Square?

The Seestern Sub 300 V4 is rated to 200m versus 50m for the Oblvlo FM SL Day-Date Square.

Which has a longer power reserve, the Seestern Sub 300 V4 or the Oblvlo FM SL Day-Date Square?

The Oblvlo FM SL Day-Date Square carries a 42-hour power reserve against 41 hours on the Seestern Sub 300 V4.

What movement does the Seestern Sub 300 V4 run compared to the Oblvlo FM SL Day-Date Square?

Both watches run automatic movements — the Seestern Sub 300 V4 uses the Seiko NH35A and the Oblvlo FM SL Day-Date Square uses the Miyota 8215.

Side by side

Seestern Sub 300 V4vsOblvlo FM SL Day-Date Square

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

Seestern Sub 300 V4

Sub 300 V4

MSRP $10

Oblvlo FM SL Day-Date Square

FM-SL-DD-D

MSRP $158

At a glance

17 of 29 specs differ

Diameter

Sub 300 V442mm

FM SL Day-Date Square39mm

Power Reserve

Sub 300 V441h

FM SL Day-Date Square42h

Water Resistance

Sub 300 V4200m

FM SL Day-Date Square50m

MSRP

Sub 300 V4$10

FM SL Day-Date Square$158

Full specifications

Case

8 specs

Crystal & Dial

3 specs

AR Coating

Underside

Inner

Dial Color

Orange

Black

Lume

Japan Lume (blue glow)

None

Movement

5 specs

Caliber

Seiko NH35A

Miyota 8215

Beat Rate

21,600 vph

28,800 vph

Power Reserve

41h

42h

Jewels

Complications

GMT, Date

None

Pricing

1 specs

MSRP

$10

$158

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Seestern Sub 300 V4vsOblvlo FM SL Day-Date Square

At a glance

Full specifications

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