The Titanium Field Guide

Blancpain Fifty Fathoms Bathyscaphe Quantieme Complet Phases de Lune Titanium

5054-1210-G52A

The Blancpain Fifty Fathoms Bathyscaphe Quantieme Complet Phases de Lune Titanium is a current-production diver watch with a Grade 23 titanium case, finished with satin-brushed. It is priced well above the $1,300 median for the category. Nothing touching the skin is nickel-bearing steel, verified across the case, caseback and bracelet.

Titanium diver watchesGrade 5 titaniumDisplay back
Price
$20,800
Titanium
Grade 23
Water resistance
300 m
Nickel-free
Yes
Reference
5054-1210-G52A
Type
Diver
Case diameter
43.0 mm
Thickness
13.9 mm
Origin
Switzerland
Movement
Automatic (complete calendar, moon phase)
Caliber
Blancpain 6654.P.4
Power reserve
72 h
Complications
Day-date
Case shape
Round
Case colour
Natural / grey
Finish technology
Natural finish
Surface treatment
Satin-brushed
Caseback
Titanium
Bracelet / strap
Titanium, NATO or sailcloth
Crystal
Sapphire
Display back
Yes
Dial
Sunburst anthracite
Dial colours
Grey
Lume
Super-LumiNova
Availability
Offered
Status
Current
Not published
Lug-to-lug, Weight, Titanium bracelet Help verify
Medium confidence Verified Jul 2026 Source: Blancpain / Monochrome Maker / listing ↗
Facts are free to cite with a link.
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Frequently asked questions

Is the Blancpain Fifty Fathoms Bathyscaphe Quantieme Complet Phases de Lune Titanium nickel-free?

Yes. Nothing nickel-bearing touches the skin: a Grade 23 titanium case with a titanium caseback, plus a non-steel crown and bracelet and clasp. The Titanium Field Guide marks it nickel-free for whole-watch skin contact. If your allergy is severe, confirm the contact points with the maker.

What grade of titanium is the Blancpain Fifty Fathoms Bathyscaphe Quantieme Complet Phases de Lune Titanium?

The Blancpain Fifty Fathoms Bathyscaphe Quantieme Complet Phases de Lune Titanium has a Grade 23 titanium case with a titanium caseback. It is recorded at medium confidence pending a maker-stated grade.

What size is the Blancpain Fifty Fathoms Bathyscaphe Quantieme Complet Phases de Lune Titanium?

It is 43.0 mm in diameter, 13.9 mm thick, and water resistant to 300 m.

How much does the Blancpain Fifty Fathoms Bathyscaphe Quantieme Complet Phases de Lune Titanium cost, and is it available?

It is current-production and lists from $20,800.

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