How much does the Grand Seiko SLGA001 cost?

The Grand Seiko SLGA001 has a manufacturer MSRP of $11,100 USD. On the secondary market it averages around —.

What movement does the Grand Seiko SLGA001 use?

The Grand Seiko SLGA001 is powered by the 9RA5 spring drive movement with a 120-hour power reserve.

How big is the Grand Seiko SLGA001?

The case measures 46.9mm in diameter, 16mm thick, with a 50.8mm lug-to-lug.

What kind of crystal does the Grand Seiko SLGA001 have?

The Grand Seiko SLGA001 uses a Sapphire crystal.

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Grand Seiko SLGA001

Name: Grand Seiko SLGA001
Brand: Grand Seiko
SKU: slga001g
Price: 11100 USD
Availability: InStock

Ref. slga001g

Diver

SLGA001

1 Variant

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Retail MSRP

$11,100

Low

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Avg

—

High

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Static data

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Case

46.9mm

Power Reserve

120h

Movement

Spring Drive

Water Resistance

—

Crystal

Sapphire

Case Dimensions

Diameter46.9mm

Thickness16mm

Lug-to-Lug50.8mm

Lug Width23mm

Case Build

MaterialTitanium

Crystal & Dial

CrystalSapphire

Movement

Caliber

9RA5

TypeSpring Drive

Beat Rate—

Power Reserve120 hours

Jewels—

HackingNo

Hand-WindingNo

ComplicationsTime only

Design Language

Dial styleSunburst

BezelRotating (dive)

Bracelet / strapLug-attached bracelet

HandsMercedes

AI-detected from product image · 5/22/2026

In a nutshell

The Grand Seiko SLGA001 (ref. slga001g) is a spring drive diver watch, with a 46.9mm titanium case, 16mm thick, powered by the 9RA5 movement and a 120-hour power reserve. under a sapphire crystal. Manufacturer MSRP is $11,100.

The Grand Seiko SLGA001 is praised for its impressive technical achievements, including a new, slimmer Spring Drive movement with a five-day power reserve and exceptional accuracy of ±0.5 seconds per day. Reviewers note the 47mm titanium case, despite its substantial dimensions, wears more comfortably due to its titanium construction, short lugs, and virtually scratch-proof finish. The watch features a 600-meter water resistance and is limited to 700 pieces, priced at $11,100. On balance, reviewers consider the Grand Seiko SLGA001 a highly capable dive watch, with its technological advancements in the Spring Drive movement being a key highlight.

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