Which is cheaper, the Shiro Kara Daibāzu: Kuro SUB or the Seiko Prospex SPEEDTIMER Mechanical?

At MSRP the Shiro Kara Daibāzu: Kuro SUB is the cheaper of the two at $518, against $995 for the Seiko Prospex SPEEDTIMER Mechanical — a $477 gap before any retailer discounting.

Which is bigger, the Shiro Kara Daibāzu: Kuro SUB or the Seiko Prospex SPEEDTIMER Mechanical?

The Shiro Kara Daibāzu: Kuro SUB wears larger at 40mm versus 39.5mm for the Seiko Prospex SPEEDTIMER Mechanical — a 0.5mm difference across the dial.

Which has better water resistance, the Shiro Kara Daibāzu: Kuro SUB or the Seiko Prospex SPEEDTIMER Mechanical?

The Shiro Kara Daibāzu: Kuro SUB is rated to 100m versus 20m for the Seiko Prospex SPEEDTIMER Mechanical.

Which has a longer power reserve, the Shiro Kara Daibāzu: Kuro SUB or the Seiko Prospex SPEEDTIMER Mechanical?

The Seiko Prospex SPEEDTIMER Mechanical carries a 72-hour power reserve against 41 hours on the Shiro Kara Daibāzu: Kuro SUB.

What movement does the Shiro Kara Daibāzu: Kuro SUB run compared to the Seiko Prospex SPEEDTIMER Mechanical?

Both watches run automatic movements — the Shiro Kara Daibāzu: Kuro SUB uses the Seiko NH35 and the Seiko Prospex SPEEDTIMER Mechanical uses the Seiko 6R55.

Shiro Kara Daibāzu: Kuro SUBvsSeiko Prospex SPEEDTIMER Mechanical

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