Seiko Prospex Marinemaster Professional 600m Titanium (SLA081, 60th Anniversary)

The Seiko Prospex Marinemaster Professional 600m Titanium (SLA081, 60th Anniversary) is a discontinued diver watch with a Titanium (super-hard coated) case, finished with super-hard coating. At 174 g it sits among the heavier diver watches in the guide, and is priced well above the $1,300 median for the category. It ships on a matching titanium bracelet rather than a strap. No longer offered new; listed here as an archive reference for the used market.

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Price

$4,600

Titanium

Titanium (super-hard coated)

Weight

174 g (head only)

Water resistance

600 m

Type

Diver

Case diameter

45.4 mm

Thickness

16 mm

Lug-to-lug

50.4 mm

Origin

Japan

Movement

Automatic

Caliber

Seiko 8L45

Power reserve

72 h

Complications

Date

Case shape

Round

Case colour

Natural / grey

Finish technology

Surface hardening

Surface treatment

Super-hard coating

Caseback

Titanium

Nickel-free

Not verified (clasp or buckle material not confirmed)

Bracelet / strap

Titanium bracelet (super-hard coated)

Titanium bracelet

Standard

Crystal

Sapphire

Display back

No

Dial

Blue gradient, wave pattern

Dial colours

Blue

Lume

LumiBrite

Availability

No longer offered

Status

Archive (60th Anniversary limited edition of 600, sold out; maker product page retired)

Not published

Reference

High confidence Verified Jul 2026 Source: Monochrome / Time and Watches Maker / listing ↗

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