The Titanium Field Guide

Doxa SUB 300 Beta Sharkhunter

830.20.101.20 / 830.20.101.ND.20

The Doxa SUB 300 Beta Sharkhunter is a 42.5 mm ceramic dive watch with an automatic movement. At 11.95 mm thick, no other ceramic dive watch with a stated thickness is thinner, out of 29.

All Doxa watchesDiver watchesMicro-adjust bracelet
Price
$7,850
Material
Ceramic
Grade / type
Ceramic (type undisclosed)
Water resistance
300 m
Reference
830.20.101.20 / 830.20.101.ND.20
Type
Diver
Case diameter
42.5 mm
Thickness
11.95 mm
Origin
Switzerland
Movement
Swiss automatic, COSC-certified chronometer, 28,800 vph
Power reserve
38 hours
Complications
Date
Colour
Black
Construction
Assembled
Finish technology
Natural finish
Caseback
Titanium
Nickel-free
Unconfirmed (bracelet, strap, or clasp hardware not confirmed)
Bracelet / strap
Black FKM rubber strap, folding clasp in black PVD with ratcheting wetsuit extension, 20 mm
Micro-adjust clasp
Yes
Crystal
Sapphire
Display back
No
Dial
Matte grained black dial with black-on-black markings
Dial colours
Black
Availability
Offered
Status
Current
Not published
Lug-to-lug, Weight, Caliber, Hardness, Surface treatment, Matching bracelet, Lume
Medium confidence Verified Oct 2026 Source: Doxa (maker), no-date / Doxa (maker), date
Facts are free to cite with a link.
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Alternatives to the Doxa SUB 300 Beta Sharkhunter

Tudor Pelagos (42mm)TudorPelagos (42mm)$6,02542.0 mmDiversame category · same style · shared complications · similar priceTudor Pelagos LHDTudorPelagos LHD$6,02542.0 mmDiversame category · same style · shared complications · similar priceTudor Pelagos (42mm, blue)TudorPelagos (42mm, blue)$6,02542.0 mmDiversame category · same style · shared complications · similar price
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More watches from Doxa

Doxa SUB 600T Pacific (titanium)DoxaSUB 600T Pacific (titanium)$1,99040.0 mmDiverDoxa SUB 300 Ti5DoxaSUB 300 Ti5$3,19042.5 mm13.4 mm thickDiver
DoxaArmy Watches of Switzerland Edition$4,50042.5 mm11.95 mm thickDiverDoxa SUB 300 Carbon COSCDoxaSUB 300 Carbon COSC$3,29042.5 mmDiver

Frequently asked questions

What is the case of the Doxa SUB 300 Beta Sharkhunter made of?

The case is ceramic (type undisclosed). The guide has not yet confirmed it on the maker's own page. The caseback is titanium.

What size is the Doxa SUB 300 Beta Sharkhunter?

The case is 42.5 mm across and 11.95 mm thick. It is water resistant to 300 m.

How much does the Doxa SUB 300 Beta Sharkhunter cost, and is it available?

It is in production, at a list price of $7,850.

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