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Home/Browse/Seiko/Prospex Sea Save the Ocean Special Edition
Seiko Prospex Sea Save the Ocean Special Edition
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Seiko Prospex Sea Save the Ocean Special Edition

Diver

Owners widely praise the Seiko Prospex Sea Save the Ocean Special Edition for its exceptional and captivating dial designs, often described as a highlight that evokes ocean surfaces with unique textures and color gradients. The watch is frequently noted for its excellent value, with some reviewers comparing its aesthetics to much higher-priced brands. Owners report satisfactory lume and accurate timekeeping, with figures ranging from +5 seconds per day to more precise results. However, some owners and reviewers point to the bracelet clasp as a point of criticism, describing it as underwhelming or flimsy, and some find the watch to be top-heavy. There are also mentions of imperfect day/date wheel alignment and occasional bezel alignment issues on some models within the line. The Seiko Prospex Sea Save the Ocean Special Edition is available in various case sizes, with some owners questioning if certain dimensions are too bulky for daily wear.

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Prospex Sea The Black Series
1 Variant
Lume:LumiBrite on hands, index(es) and bezel
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Retail MSRP
$650
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Alternatives
Case
43.8mm
Power Reserve
41h
Movement
Automatic
Water Resistance
200m
Crystal
Sapphire + AR
01

Case Dimensions

Diameter43.8mm
Thickness12.8mm
Lug-to-Lug48.7mm
Lug Width22mm
02

Case Build

MaterialStainless Steel
Water Resistance200m
03

Crystal & Dial

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

Movement

Caliber
Seiko 4R35
TypeAutomatic
Beat Rate—
Power Reserve41 hours
Jewels23
HackingNo
Hand-WindingNo
ComplicationsTime only
05

Design Language

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

The Seiko Prospex Sea Save the Ocean Special Edition is an automatic diver watch, with a 43.8mm stainless steel case, 12.8mm thick, powered by the Seiko 4R35 movement and a 41-hour power reserve. Water resistance is rated to 200m, under a sapphire crystal. Manufacturer MSRP is $650.

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