Which is cheaper, the Oblvlo BLM II or the Seiko Prospex SPEEDTIMER?

At MSRP the Oblvlo BLM II is the cheaper of the two at $265, against $3,000 for the Seiko Prospex SPEEDTIMER — a $2,735 gap before any retailer discounting.

Which is bigger, the Oblvlo BLM II or the Seiko Prospex SPEEDTIMER?

The Seiko Prospex SPEEDTIMER wears larger at 42.5mm versus 41mm for the Oblvlo BLM II — a 1.5mm difference across the dial.

Which has better water resistance, the Oblvlo BLM II or the Seiko Prospex SPEEDTIMER?

The Oblvlo BLM II is rated to 50m versus 10m for the Seiko Prospex SPEEDTIMER.

Which has a longer power reserve, the Oblvlo BLM II or the Seiko Prospex SPEEDTIMER?

The Seiko Prospex SPEEDTIMER carries a 45-hour power reserve against 42 hours on the Oblvlo BLM II.

What movement does the Oblvlo BLM II run compared to the Seiko Prospex SPEEDTIMER?

Both watches run automatic movements — the Oblvlo BLM II uses the Miyota 8215 and the Seiko Prospex SPEEDTIMER uses the 8R46.

Side by side

Oblvlo BLM IIvsSeiko Prospex SPEEDTIMER

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

Oblvlo BLM II

BLM-2

MSRP $265

Seiko Prospex SPEEDTIMER

srq037j1

MSRP $3,000

At a glance

12 of 29 specs differ

Diameter

BLM II41mm

Prospex SPEEDTIMER42.5mm

Power Reserve

BLM II42h

Prospex SPEEDTIMER45h

Water Resistance

BLM II50m

Prospex SPEEDTIMER100m

MSRP

BLM II$265

Prospex SPEEDTIMER$3,000

Full specifications

Case

5 specs

Crystal & Dial

3 specs

Crystal Shape

Flat

Curved

AR Coating

Inner

Anti-reflective coating on inner surface

Lume

Super-LumiNova

LumiBrite on hands and index(es)

Movement

3 specs

Caliber

Miyota 8215

8R46

Power Reserve

42h

45h

Jewels

Pricing

1 specs

MSRP

$265

$3,000

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Oblvlo BLM IIvsSeiko Prospex SPEEDTIMER

At a glance

Full specifications

Follow this matchup

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