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Grand Seiko SLGA001
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Grand Seiko SLGA001

Diver

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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1 Variant
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Retail MSRP
$11,100
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Alternatives
Case
46.9mm
Power Reserve
120h
Movement
Spring Drive
Water Resistance
—
Crystal
Sapphire
01

Case Dimensions

Diameter46.9mm
Thickness16mm
Lug-to-Lug50.8mm
Lug Width23mm
02

Case Build

MaterialTitanium
03

Crystal & Dial

CrystalSapphire
04

Movement

Caliber
9RA5
TypeSpring Drive
Beat Rate—
Power Reserve120 hours
Jewels—
HackingNo
Hand-WindingNo
ComplicationsTime only
05

Design Language

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