The Wristwatch Field Guide

Seiko Prospex "Cave Diver" Shogun Titanium (SPB349)

The Seiko Prospex "Cave Diver" Shogun Titanium (SPB349) is a current-production diver watch with a titanium (super-hard coating) case, finished with super-hard coating. It is priced above the $1,199 median for the category. It ships on a matching exotic-material bracelet rather than a strap.

All Seiko watchesExotic-material diver watchesTitaniumDiversUnder $5,000
Price
$1,500
Material
Titanium
Grade / type
Titanium (super-hard coating)
Water resistance
200 m
Type
Diver
Case diameter
43.5 mm
Origin
Japan
Movement
Automatic
Caliber
6R35
Power reserve
70 h
Complications
Date
Colour
Grey
Surface treatment
Super-hard coating
Caseback
Titanium
Nickel-free
Not verified (clasp or buckle material not confirmed)
Bracelet / strap
Titanium bracelet
Matching bracelet
Standard
Crystal
Sapphire
Display back
No
Dial
Green (textured)
Dial colours
Green
Lume
LumiBrite
Availability
Offered
Status
Current
Not published
Reference, Thickness, Lug-to-lug, Weight, Hardness, Construction
Medium confidence Verified Jul 2026 Source: Seiko Luxe / AZ Fine Time
Facts are free to cite with a link.
Reader reviews & photosContribute photo or review
No reviews yet.
See it in the interactive guideContribute a photo or review

Similar exotic-material watches

Oceaneva Deep Marine Explorer II 1250mOceanevaDeep Marine Explorer II 1250m$1,19942.0 mm14.8 mm thick145 gDiversame category · same style · similar price · similar size
ContrarianNova Titanium 300$1,25042.0 mm13.4 mm thickDiversame category · same style · similar price · similar size
CirculaDiveSport Titanium$1,29042.0 mm13.4 mm thick90 gDiversame category · same style · similar price · similar sizeCertina DS Action Diver 43mm Powermatic 80 TitaniumCertinaDS Action Diver 43mm Powermatic 80 Titanium$1,38043.0 mm13.1 mm thick130 gDiversame category · same style · similar price · similar sizeChristopher Ward C60 Elite 1000 (Titanium)Christopher WardC60 Elite 1000 (Titanium)$1,42542.0 mm133 gDiversame category · same style · similar price · similar sizeAncon Sea Shadow III BronzeAnconSea Shadow III Bronze$76043.5 mm16.5 mm thickDiversame category · same style · similar price · similar sizeSeagull Ocean Series Pro Ice Wing Titanium 43mmSeagullOcean Series Pro Ice Wing Titanium 43mm$86943.0 mm13.5 mm thick110 gDiversame category · same style · similar price · similar sizeBoldr Odyssey BronzeBoldrOdyssey Bronze$89945.5 mm16.8 mm thickDiversame category · same style · similar price · similar size

Alternatives to the Seiko Prospex "Cave Diver" Shogun Titanium (SPB349)

Venezianico Nereide TitanioVenezianicoNereide Titanio$1,13042.0 mm12.5 mm thick66 gDiversame category · same style · shared complications · similar priceVenezianico Nereide Bronzo 42VenezianicoNereide Bronzo 42$1,18042.0 mm12.5 mm thickDiversame category · same style · shared complications · similar priceCitizen Promaster Fujitsubo Platinum DLC (Super Titanium)CitizenPromaster Fujitsubo Platinum DLC (Super Titanium)$1,19541.0 mm119 gDiversame category · same style · shared complications · similar price
HelsonShark Diver 45 Military Titanium$1,19545.0 mmDiversame category · same style · shared complications · similar priceOceaneva Power Reserve 6000mOceanevaPower Reserve 6000m$1,19944.0 mm19.75 mm thick142 gDiversame category · same style · shared complications · similar price
BoldrOdyssey Carbon$1,20045.5 mmDiversame category · same style · shared complications · similar price

More exotic-material watches from Seiko

Seiko Prospex Shogun Titanium (SPB191)SeikoProspex Shogun Titanium (SPB191)$1,20043.5 mm13.3 mm thick99 gDiverSeiko Prospex SeikoProspex "Cave Diver" Shogun Titanium (SPB351)$1,50043.5 mmDiver
SeikoProspex "Cave Diver" Shogun Titanium (SPB357)$1,50043.0 mmDiverSeiko Prospex Marinemaster Professional 600m Titanium (SBDX067)SeikoProspex Marinemaster Professional 600m Titanium (SBDX067)$4,60045.4 mmDiverSeiko Prospex LX Line Spring Drive GMT Titanium (SNR035)SeikoProspex LX Line Spring Drive GMT Titanium (SNR035)$5,25044.8 mmOtherSeiko Prospex Marinemaster Professional 600m Titanium (SLA081, 60th Anniversary)SeikoProspex Marinemaster Professional 600m Titanium (SLA081, 60th Anniversary)$4,60045.4 mm16 mm thick174 gDiver

Frequently asked questions

What is the case material of the Seiko Prospex "Cave Diver" Shogun Titanium (SPB349)?

The Seiko Prospex "Cave Diver" Shogun Titanium (SPB349) has a titanium (super-hard coating) case with a titanium caseback. It is recorded at medium confidence pending a maker-stated material.

What size is the Seiko Prospex "Cave Diver" Shogun Titanium (SPB349)?

It is 43.5 mm in diameter, and water resistant to 200 m.

How much does the Seiko Prospex "Cave Diver" Shogun Titanium (SPB349) cost, and is it available?

It is current-production and lists from $1,500.

All exotic-material Seiko watches · Exotic-material diver watches · All 1,957 watches

Learn: Which Material? · Lightest Materials · Most Scratch-Resistant · Materials and Skin

Image & Trademark Policy · Terms & Conditions