Which is cheaper, the Oblvlo BLM II or the Undone Tachikoma?

At MSRP the Oblvlo BLM II is the cheaper of the two at $265, against $320 for the Undone Tachikoma — a $55 gap before any retailer discounting.

Which is bigger, the Oblvlo BLM II or the Undone Tachikoma?

The Undone Tachikoma wears larger at 41.8mm versus 41mm for the Oblvlo BLM II — a 0.8mm difference across the dial.

Which has better water resistance, the Oblvlo BLM II or the Undone Tachikoma?

The Undone Tachikoma is rated to 100m versus 50m for the Oblvlo BLM II.

What movement does the Oblvlo BLM II run compared to the Undone Tachikoma?

The Oblvlo BLM II runs a automatic caliber (Miyota 8215), while the Undone Tachikoma runs a quartz (Seiko VK63).

Side by side

Oblvlo BLM IIvsUndone Tachikoma

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

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Oblvlo BLM II

BLM-2

MSRP $265

See the full BLM II

Undone Tachikoma

MSRP $320

See the full Tachikoma

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At a glance

11 of 29 specs differ

Diameter

BLM II41mm

Tachikoma41.8mm

Power Reserve

BLM II42h

Tachikoma—

Water Resistance

BLM II50m

Tachikoma100m

MSRP

BLM II$265

Tachikoma$320

Full specifications

Case

4 specs

Crystal & Dial

2 specs

Dial Color

—

Lume

Super-LumiNova

None

Movement

4 specs

Caliber

Miyota 8215

Seiko VK63

Type

Automatic

Quartz

Power Reserve

42h

Jewels

Pricing

1 specs

MSRP

$265

$320

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At a glance

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