Seiko Prospex SeavsSquale 1545

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Seiko Prospex Sea

MSRP $900

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Buy from Seiko Used on eBay

Squale 1545

Ref. 1545-black-rubber·MSRP $930

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Buy from Squale Used on eBay

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Prospex Sea

1545

Diameter

Across the case, crown excluded.

41mm

40mm

Lug-to-Lug

The number that decides fit.

46.9mm

n/a

Thickness

How it sits under a cuff.

12.3mm

12mm

lowest

Water Resistance

Rated in meters.

200m

300m

highest

Power Reserve

How long it runs off the wrist.

70h

highest

38h

MSRP

Sticker price, new.

$900

lowest

$930

Movement

What drives the hands.

Seiko 6R35

Sellita SW200-1

Spec

Prospex Sea

1545

Case

5 specs

Diameter

41mm

40mm

Thickness

12.3mm

12mm

Lug-to-Lug

46.9mm

n/a

Material

Stainless Steel

Steel

Water Resistance

200m

300m

Crystal & Dial

3 specs

Crystal Shape

Curved

n/a

AR Coating

Anti-reflective coating on inner surface

n/a

Lume

LumiBrite on hands, index(es) and bezel

None

Movement

3 specs

Caliber

Seiko 6R35

Sellita SW200-1

Power Reserve

70h

38h

Jewels

Pricing

1 specs

MSRP

$900

$930

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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Seiko Prospex Sea

Owners widely praise the Seiko Prospex Sea for its value and robust build, with many highlighting its excellent lume and attractive design. Some owners find the 41mm case size perfect, while others with smaller wrists consider it too large, thick, and heavy. The stock rubber strap is noted as uncomfortable for land wear by one owner. Overall, owners rate the Seiko Prospex Sea highly for its design and value at the price point.

Owners widely praise the Squale 1545 for its solid build quality, attractive appearance, and excellent value, with many highlighting its impressive tuxedo black lacquer dial and exceptionally bright lume. Some owners note the clasp as a point of dissatisfaction, a common issue across various price points, and one reviewer points out minor flaws on the steel bracelet including soft end links and a clasp that scratches the bracelet. The Squale 1545 is considered a reliable and versatile everyday watch with historical design precedent. Overall, owners and reviewers rate the Squale 1545 highly for its impressive finishing and value at its price point.