Which is cheaper, the Squale 1545 or the Seiko Prospex Sea The Black Series?

At MSRP the Seiko Prospex Sea The Black Series is the cheaper of the two at $765, against $930 for the Squale 1545 — a $165 gap before any retailer discounting.

Which is bigger, the Squale 1545 or the Seiko Prospex Sea The Black Series?

The Seiko Prospex Sea The Black Series wears larger at 45mm versus 40mm for the Squale 1545 — a 5mm difference across the dial.

Which has better water resistance, the Squale 1545 or the Seiko Prospex Sea The Black Series?

The Squale 1545 is rated to 300m versus 200m for the Seiko Prospex Sea The Black Series.

Which has a longer power reserve, the Squale 1545 or the Seiko Prospex Sea The Black Series?

The Seiko Prospex Sea The Black Series carries a 41-hour power reserve against 38 hours on the Squale 1545.

What movement does the Squale 1545 run compared to the Seiko Prospex Sea The Black Series?

Both watches run automatic movements — the Squale 1545 uses the Sellita SW200-1 and the Seiko Prospex Sea The Black Series uses the Seiko 4R36.

Side by side

Squale 1545vsSeiko Prospex Sea The Black Series

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

Add a watch

Squale 1545

1545-black-rubber

MSRP $930

See the full 1545

Seiko Prospex Sea The Black Series

MSRP $765

See the full Prospex Sea The Black Series

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At a glance

13 of 29 specs differ

Diameter

154540mm

Prospex Sea The Black Series45mm

Power Reserve

154538h

Prospex Sea The Black Series41h

Water Resistance

1545300m

Prospex Sea The Black Series200m

MSRP

1545$930

Prospex Sea The Black Series$765

Full specifications

Case

7 specs

Crystal & Dial

2 specs

AR Coating

—

Anti-reflective coating on inner surface

Lume

None

LumiBrite on hands, index(es) and bezel

Movement

3 specs

Caliber

Sellita SW200-1

Seiko 4R36

Power Reserve

38h

41h

Jewels

Pricing

1 specs

MSRP

$930

$765

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Squale 1545vsSeiko Prospex Sea The Black Series

At a glance

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