Which is cheaper, the Astor + Banks AB1405 or the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition?

At MSRP the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition is the cheaper of the two at $1,150, against $1,499 for the Astor + Banks AB1405 — a $349 gap before any retailer discounting.

Which is bigger, the Astor + Banks AB1405 or the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition?

The Astor + Banks AB1405 wears larger at 42mm versus 39.5mm for the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition — a 2.5mm difference across the dial.

Which has better water resistance, the Astor + Banks AB1405 or the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition?

The Astor + Banks AB1405 is rated to 50m versus 20m for the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition.

Which has a longer power reserve, the Astor + Banks AB1405 or the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition?

The Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition carries a 72-hour power reserve against 40 hours on the Astor + Banks AB1405.

What movement does the Astor + Banks AB1405 run compared to the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition?

The Astor + Banks AB1405 runs a manual caliber (Manual Swiss), while the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition runs a automatic (6R55).

Side by side

Astor + Banks AB1405vsSeiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition

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

Astor + Banks AB1405

mechanical-ab14

MSRP $1,499

Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition

spb517j1

MSRP $1,150

At a glance

14 of 29 specs differ

Diameter

AB140542mm

Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition39.5mm

Power Reserve

AB140540h

Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition72h

Water Resistance

AB140550m

Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition200m

MSRP

AB1405$1,499

Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition$1,150

Full specifications

Case

6 specs

Crystal & Dial

3 specs

Crystal Shape

Flat

Curved

AR Coating

Inner

Anti-reflective coating on inner surface

Lume

None

LumiBrite on hands and index(es)

Movement

4 specs

Caliber

Manual Swiss

6R55

Type

Manual

Automatic

Power Reserve

40h

72h

Jewels

Pricing

1 specs

MSRP

$1,499

$1,150

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