The Titanium Field GuidePicks of the month

Grand Seiko Spring Drive U.F.A. Ushio 300 Diver (SLGB025, green)

The Grand Seiko Spring Drive U.F.A. Ushio 300 Diver (SLGB025, green) is a 40.8 mm High-Intensity Titanium dive watch with a 9RB1 Spring Drive movement. At a list price of $12,400, it costs more than 91% of the 294 titanium dive watches in production.

All Grand Seiko watchesDiver watchesOn a titanium braceletMicro-adjust braceletDisplay back
Price
$12,400
Material
Titanium
Grade / type
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
Colour
Grey
Surface treatment
None
Finish technology
Natural finish
Nickel-free
Unconfirmed (contact-point materials not all confirmed)
Bracelet / strap
Titanium bracelet
Matching bracelet
Standard
Micro-adjust clasp
Yes
Crystal
Sapphire
Display back
Yes
Dial
Green (Ushio)
Dial colours
Green
Lume
LumiBrite
Availability
Offered
Status
Current
Not published
Reference, Lug-to-lug, Weight, Hardness, Construction, Caseback
Medium confidence Verified Jul 2026 Source: Grand Seiko (maker) / Watches by SJX
Facts are free to cite with a link.
Reader reviews & photosContribute photo or review
See it in the interactive guideGet the monthly letterContribute a photo or review

Browse all watch comparisons →

Similar watches

Berny Automatic Titanium Diver WatchBernyAutomatic Titanium Diver Watch$183.9941.5 mm12.7 mm thick115 gDiversame category · same style · similar size · similar thicknessOctopus Kraken Oct-10Octopus KrakenOct-10$251.4339.0 mm11.5 mm thick100 gDiversame category · same style · similar size · similar thicknessThorn Titanium Sub Diver (NH35, no GMT)ThornTitanium Sub Diver (NH35, no GMT)$28940.5 mm14 mm thick300 gDiversame category · same style · similar size · similar thicknessBoderry Admiral 3-Hand No-Date TitaniumBoderryAdmiral 3-Hand No-Date Titanium$29940.0 mm13 mm thick121 gDiversame category · same style · similar size · similar thicknessOctopus Kraken OCT-010 Titanium PT5000 DiverOctopus KrakenOCT-010 Titanium PT5000 Diver$30539.0 mm11.5 mm thick100 gDiversame category · same style · similar size · similar thicknessTimex Expedition Pioneer Titanium AutomaticTimexExpedition Pioneer Titanium Automatic$57941.0 mm13.5 mm thickDiversame category · same style · similar size · similar thicknessBaltic Aquascaphe TitaniumBalticAquascaphe Titanium$1,11641.0 mm13.3 mm thick55 gDiversame category · same style · similar size · similar thicknessContrarian Nova Titanium 300ContrarianNova Titanium 300$1,25042.0 mm13.4 mm thickDiversame category · same style · similar size · similar thickness

Alternatives to the Grand Seiko Spring Drive U.F.A. Ushio 300 Diver (SLGB025, green)

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 priceOmega Seamaster Diver 300M Titanium Bronze GoldOmegaSeamaster Diver 300M Titanium Bronze Gold$12,50042.0 mm111 gDiversame category · same style · shared complications · similar priceOmega Seamaster Diver 300M Titanium-Tantalum (LE)OmegaSeamaster Diver 300M Titanium-Tantalum (LE)$13,00042.0 mm161 gDiversame 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 priceGirard-Perregaux Deep Diver Legacy Edition (Titanium)Girard-PerregauxDeep Diver Legacy Edition (Titanium)$15,10040.3 mm13.91 mm thickDiversame category · same style · shared complications · similar price

More watches from Grand Seiko

Grand Seiko Heritage Grand SeikoHeritage "Snowflake"$6,90040.2 mm12.5 mm thick100 gDress
Grand SeikoSpring Drive Diver 200m (SBGA231)$7,10044.0 mmDiverGrand Seiko Evolution 9 Spring Drive Diver 200m Grand SeikoEvolution 9 Spring Drive Diver 200m "Ushio" (SLGA023)$9,60043.8 mm13.8 mm thickDiverGrand Seiko Spring Drive U.F.A. Ushio 300 Diver (SLGB023, blue)Grand SeikoSpring Drive U.F.A. Ushio 300 Diver (SLGB023, blue)$12,40040.8 mm12.9 mm thickDiverGrand Seiko Hi-Beat 36000 GMT (SBGJ211, Mt. Iwate)Grand SeikoHi-Beat 36000 GMT (SBGJ211, Mt. Iwate)$7,40040.0 mmDressGrand Seiko Evolution 9 Spring Drive GMT (SBGE285, Mistflake)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 (SLGB025, green)?

Titanium, with no grade stated. The maker calls the material High-Intensity Titanium. The record is at medium confidence, so check the maker's page before relying on it.

What size is the Grand Seiko Spring Drive U.F.A. Ushio 300 Diver (SLGB025, green)?

The case is 40.8 mm across and 12.9 mm thick. It is water resistant to 300 m.

How much does the Grand Seiko Spring Drive U.F.A. Ushio 300 Diver (SLGB025, green) cost, and is it available?

It is in production, at a list price of $12,400.

All Grand Seiko watches · Diver watches · All 1,960 watches

Learn: Titanium grades · Surface treatments · Why titanium scratches · How to read a spec

How we verify & grade · Image & Trademark Policy · Terms & Conditions · Privacy Policy

Report an error on this page · how corrections work