The Titanium Field Guide

Blancpain Fifty Fathoms Tech Ocean Commitment IV (Titanium)

5029A-12B30-64A Archive · used only

The Blancpain Fifty Fathoms Tech Ocean Commitment IV (Titanium) is a discontinued diver watch with a Grade 23 titanium case, finished with black ceramic bezel; helium escape valve. It is priced well above the $1,300 median for the category. The caseback is open, so the movement is visible. No longer offered new; listed here as an archive reference for the used market.

Titanium diver watchesGrade 5 titaniumDisplay back
Price
$26,000
Titanium
Grade 23
Water resistance
300 m
Reference
5029A-12B30-64A
Type
Diver
Case diameter
45.0 mm
Origin
Switzerland
Movement
Automatic
Caliber
Blancpain 1315A
Power reserve
120 h
Complications
Date
Case shape
Round
Case colour
Black
Finish technology
Natural finish
Surface treatment
Black ceramic bezel; helium escape valve
Caseback
Sapphire
Nickel-free
Not verified (bracelet, strap, or clasp hardware not confirmed)
Bracelet / strap
Rubber strap, pin buckle
Crystal
Sapphire
Display back
Yes
Dial
Absolute black with blue accents
Dial colours
Black
Lume
Super-LumiNova
Availability
No longer offered
Status
Limited edition of 100 (sold out)
Not published
Thickness, Lug-to-lug, Weight, Titanium bracelet Help verify
Medium confidence Verified Jul 2026 Source: Blancpain Maker / listing ↗
Facts are free to cite with a link.
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Frequently asked questions

What grade of titanium is the Blancpain Fifty Fathoms Tech Ocean Commitment IV (Titanium)?

The Blancpain Fifty Fathoms Tech Ocean Commitment IV (Titanium) has a Grade 23 titanium case with a sapphire caseback. It is recorded at medium confidence pending a maker-stated grade.

What size is the Blancpain Fifty Fathoms Tech Ocean Commitment IV (Titanium)?

It is 45.0 mm in diameter, and water resistant to 300 m.

How much does the Blancpain Fifty Fathoms Tech Ocean Commitment IV (Titanium) cost, and is it available?

It is no longer offered new; the guide keeps it as an archive reference for the used market, and it listed from $26,000 when current.

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