Which is cheaper, the Seiko Prospex LX line or the Squale Master?

At MSRP the Squale Master is the cheaper of the two at $2,785, against $6,500 for the Seiko Prospex LX line — a $3,715 gap before any retailer discounting.

Which is bigger, the Seiko Prospex LX line or the Squale Master?

The Seiko Prospex LX line wears larger at 44.8mm versus 42mm for the Squale Master — a 2.8mm difference across the dial.

Which has better water resistance, the Seiko Prospex LX line or the Squale Master?

The Squale Master is rated to 1200m versus 300m for the Seiko Prospex LX line.

Which has a longer power reserve, the Seiko Prospex LX line or the Squale Master?

The Seiko Prospex LX line carries a 72-hour power reserve against 38 hours on the Squale Master.

What movement does the Seiko Prospex LX line run compared to the Squale Master?

The Seiko Prospex LX line runs a spring drive caliber (Seiko 5R65), while the Squale Master runs a automatic (Sellita SW200-1).

Side by side

Seiko Prospex LX linevsSquale Master

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

Add a watch

Seiko Prospex LX line

MSRP $6,500

See the full Prospex LX line

Squale Master

master-titanium

MSRP $2,785

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At a glance

13 of 29 specs differ

Diameter

Prospex LX line44.8mm

Master42mm

Power Reserve

Prospex LX line72h

Master38h

Water Resistance

Prospex LX line300m

Master1,200m

MSRP

Prospex LX line$6,500

Master$2,785

Full specifications

Case

6 specs

Crystal & Dial

2 specs

AR Coating

Anti-reflective coating on inner surface

—

Lume

LumiBrite on hands and index(es)

None

Movement

4 specs

Caliber

Seiko 5R65

Sellita SW200-1

Type

Spring Drive

Automatic

Power Reserve

72h

38h

Jewels

Pricing

1 specs

MSRP

$6,500

$2,785

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Seiko Prospex LX linevsSquale Master

At a glance

Full specifications

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