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Home/Browse/Seiko/Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited Edition
Seiko Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited Edition
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Seiko Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited Edition

Diver

Owners widely praise the Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited Edition's titanium monobloc case construction and the dial's blue gradient finish. Some owners find the 45.4mm diameter and 16mm thickness too large, noting a poor dial-to-bezel ratio and excessive text on the dial. The 8L45 movement offers a 72-hour power reserve, with reported accuracy ranging from +10/-5 seconds per day to +25/-15 seconds per day. On balance, owners appreciate the watch's tool watch vibe and unique dial construction, despite some reservations about its size and price.

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Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited Edition
1 Variant
Lume:LumiBrite on hands, index(es) and bezel
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Retail MSRP
$4,600
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Alternatives
Case
45.4mm
Power Reserve
72h
Movement
Automatic
Water Resistance
600m
Crystal
Sapphire + AR
01

Case Dimensions

Diameter45.4mm
Thickness16mm
Lug-to-Lug50.4mm
Lug Width22mm
02

Case Build

MaterialTitanium
Water Resistance600m
03

Crystal & Dial

CrystalSapphire
ShapeCurved
AR CoatingAnti-reflective coating on inner surface
LumeLumiBrite on hands, index(es) and bezel
04

Movement

Caliber
8L45
TypeAutomatic
Beat Rate—
Power Reserve72 hours
Jewels35
HackingNo
Hand-WindingNo
ComplicationsTime only
05

Design Language

Dial styleTextured
BezelRotating (dive)
Bracelet / strapLug-attached bracelet
HandsBaton
AI-detected from product image · 5/22/2026
In a nutshell

The Seiko Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited Edition is an automatic diver watch, with a 45.4mm titanium case, 16mm thick, powered by the 8L45 movement and a 72-hour power reserve. Water resistance is rated to 600m, under a sapphire crystal. Manufacturer MSRP is $4,600.

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