The Titanium Field Guide

Grand Seiko Spring Drive U.F.A. Ushio 300 Diver (SLGB023, blue)

The Grand Seiko Spring Drive U.F.A. Ushio 300 Diver (SLGB023, blue) is a current-production diver watch with a High-Intensity Titanium case. It is priced well above the $1,300 median for the category. It ships on a matching titanium bracelet rather than a strap.

Titanium diver watchesOn a titanium braceletDisplay back
Price
$12,400
Titanium
High-Intensity Titanium
Water resistance
300 m
Type
Diver
Case diameter
40.8 mm
Thickness
12.9 mm
Origin
Japan
Movement
Spring Drive U.F.A.
Caliber
9RB1
Power reserve
72 h
Complications
Date
Case shape
Round
Case colour
Natural / grey
Finish technology
Natural finish
Surface treatment
None
Nickel-free
Not verified (contact-point materials not all confirmed)
Bracelet / strap
Titanium bracelet
Titanium bracelet
Standard
Crystal
Sapphire
Display back
Yes
Dial
Blue (Ushio)
Dial colours
Blue
Lume
LumiBrite
Availability
Offered
Status
Current
Not published
Reference, Lug-to-lug, Weight, Caseback Help verify
Medium confidence Verified Jul 2026 Source: Grand Seiko (maker) / Watches by SJX Maker / listing ↗
Facts are free to cite with a link.
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Alternatives to the Grand Seiko Spring Drive U.F.A. Ushio 300 Diver (SLGB023, blue)

Zenith Defy Extreme Diver 42.5mm (titanium)ZenithDefy Extreme Diver 42.5mm (titanium)$12,30042.5 mm15.5 mm thickDiversame category · same style · shared complications · similar price
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RolexYacht-Master 42 (RLX Titanium)$14,50042.0 mmDiversame category · same style · shared complications · similar priceFranck Muller Skafander TitaniumFranck MullerSkafander Titanium$14,60043.1 mm14.1 mm thickDiversame category · same style · shared complications · similar priceBlancpain Fifty Fathoms Bathyscaphe TitaniumBlancpainFifty Fathoms Bathyscaphe Titanium$15,10043.0 mm13.45 mm thickDiversame category · same style · shared complications · similar price

More titanium watches from Grand Seiko

Grand SeikoHeritage "Snowflake"$6,90040.2 mm12.5 mm thick100 gDress
Grand SeikoSpring Drive Diver 200m (SBGA231)$7,10044.0 mmDiver
Grand SeikoEvolution 9 Spring Drive Diver 200m "Ushio" (SLGA023)$9,60043.8 mmDiver
Grand SeikoSpring Drive U.F.A. Ushio 300 Diver (SLGB025, green)$12,40040.8 mm12.9 mm thickDiver
Grand SeikoHi-Beat 36000 GMT (SBGJ211, Mt. Iwate)$7,40040.0 mmDress
Grand SeikoEvolution 9 Spring Drive GMT (SBGE285, Mistflake)$8,40041.0 mm13.9 mm thickDress

Frequently asked questions

What grade of titanium is the Grand Seiko Spring Drive U.F.A. Ushio 300 Diver (SLGB023, blue)?

The Grand Seiko Spring Drive U.F.A. Ushio 300 Diver (SLGB023, blue) has a High-Intensity Titanium case. It is recorded at medium confidence pending a maker-stated grade.

What size is the Grand Seiko Spring Drive U.F.A. Ushio 300 Diver (SLGB023, blue)?

It is 40.8 mm in diameter, 12.9 mm thick, and water resistant to 300 m.

How much does the Grand Seiko Spring Drive U.F.A. Ushio 300 Diver (SLGB023, blue) cost, and is it available?

It is current-production and lists from $12,400.

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