The Wristwatch Field Guide

WISE Diving 300M Gen 3 Titanium

DTB331 / DTB431 / DTB831

The WISE Diving 300M Gen 3 Titanium is a current-production diver watch with a grey titanium case. It measures 44.0 mm across, 15.8 mm thick, 51.25 mm lug to lug, and is water resistant to 300 m. Inside is the Miyota 8315 automatic movement, with ~60 h power reserve. Complications: Time only. Priced from $610. Brand origin: Thailand.

Titanium and ceramic diver watchesTitaniumDiversUnder $5,000
Reference
DTB331 / DTB431 / DTB831
Type
Diver
Price
$610
Case diameter
44.0 mm
Thickness
15.8 mm
Lug-to-lug
51.25 mm
Water resistance
300 m
Weight
–
Origin
Thailand
Movement
Automatic
Caliber
Miyota 8315
Power reserve
~60 h
Complications
Time only
Material
Titanium
Grade / type
Titanium
Colour
Grey
Hardness
–
Construction
–
Surface treatment
–
Caseback
–
Nickel-free
Not verified (contact-point materials not all confirmed)
Bracelet / strap
FKM rubber strap plus NATO strap
Matching bracelet
–
Crystal
Domed sapphire, inner AR
Display back
No
Dial
Brain Coral pattern, multiple colorways (DTB331, DTB431 army green, DTB831 orange)
Lume
Super-LumiNova C3 X1
Availability
Offered
Status
Current (made to order)
Medium confidence Verified Jun 2026 Source: WISE (maker product page) / WISE Diving 300M Gen 3 collection Maker / listing ↗
Facts are free to cite with a link.
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Alternatives to the WISE Diving 300M Gen 3 Titanium

Maranez Samui Army TitaniumMaranezSamui Army Titanium$49942.0 mm137 gDiversame category · same style · similar price · similar sizeZelos Swordfish 42 TitaniumZelosSwordfish 42 Titanium$49942.0 mmDiversame category · same style · similar price · similar sizeZelos Hammerhead V3 300M TitaniumZelosHammerhead V3 300M Titanium$52944.0 mm13 mm thickDiversame category · same style · similar price · similar sizePhoibos Apollo Titanium 300MPhoibosApollo Titanium 300M$57541.0 mm12.5 mm thick130 gDiversame category · same style · similar price · similar sizeTimex Deepwater Reef Titanium 200TimexDeepwater Reef Titanium 200$57941.0 mm13 mm thick81.89 gDiversame category · same style · similar price · similar sizeTimex Expedition Pioneer Titanium AutomaticTimexExpedition Pioneer Titanium Automatic$57941.0 mm13.5 mm thickDiversame category · same style · similar price · similar size

Frequently asked questions

What is the case material of the WISE Diving 300M Gen 3 Titanium?

The WISE Diving 300M Gen 3 Titanium has a grey titanium case. It is recorded at medium confidence pending a maker-stated material.

What size is the WISE Diving 300M Gen 3 Titanium?

It is 44.0 mm in diameter, 15.8 mm thick, 51.25 mm lug to lug, and water resistant to 300 m.

How much does the WISE Diving 300M Gen 3 Titanium cost, and is it available?

It is current-production and lists from $610.

All titanium and ceramic WISE watches · Titanium and ceramic diver watches · All 1040 watches

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