Which is cheaper, the Oblvlo BLM II or the Halios Seaforth IV?

At MSRP the Oblvlo BLM II is the cheaper of the two at $265, against $765 for the Halios Seaforth IV — a $500 gap before any retailer discounting.

Which is bigger, the Oblvlo BLM II or the Halios Seaforth IV?

The Oblvlo BLM II wears larger at 41mm versus 40mm for the Halios Seaforth IV — a 1mm difference across the dial.

Which has better water resistance, the Oblvlo BLM II or the Halios Seaforth IV?

The Halios Seaforth IV is rated to 200m versus 50m for the Oblvlo BLM II.

Which has a longer power reserve, the Oblvlo BLM II or the Halios Seaforth IV?

The Oblvlo BLM II carries a 42-hour power reserve against 40 hours on the Halios Seaforth IV.

What movement does the Oblvlo BLM II run compared to the Halios Seaforth IV?

Both watches run automatic movements — the Oblvlo BLM II uses the Miyota 8215 and the Halios Seaforth IV uses the Sellita SW200-2.

Side by side

Oblvlo BLM IIvsHalios Seaforth IV

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

Oblvlo BLM II

BLM-2

MSRP $265

Halios Seaforth IV

seaforth-iv-gs-sunburst-blue

MSRP $765

At a glance

13 of 29 specs differ

Diameter

BLM II41mm

Seaforth IV40mm

Power Reserve

BLM II42h

Seaforth IV40h

Water Resistance

BLM II50m

Seaforth IV200m

MSRP

BLM II$265

Seaforth IV$765

Full specifications

Case

6 specs

Crystal & Dial

3 specs

Crystal

Sapphire

Sapphire (double-domed)

Dial Color

Black

Blue

Lume

Super-LumiNova

None

Movement

3 specs

Caliber

Miyota 8215

Sellita SW200-2

Power Reserve

42h

40h

Jewels

Pricing

1 specs

MSRP

$265

$765

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Oblvlo BLM IIvsHalios Seaforth IV

At a glance

Full specifications

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