The Titanium Field Guide

De Bethune DB28XS Purple Rain (titanium)

Archive · used only

The De Bethune DB28XS Purple Rain (titanium) is a discontinued watch with a grade 5 titanium case, finished with polished and heat-blued titanium. The maker states no nickel-bearing steel at any skin-contact point, across the case, caseback and bracelet. No longer offered new; listed here as an archive reference for the used market.

All De Bethune watchesWatch other watchesUnder 11 mm thickGrade 5 titaniumDisplay back
Material
Titanium
Grade / type
Grade 5
Water resistance
30 m
Type
Other
Price
– · high horology
Case diameter
38.7 mm
Thickness
7.4 mm
Origin
Switzerland
Movement
Manual
Caliber
De Bethune DB2005
Power reserve
6 days
Complications
Time only
Colour
Blue
Surface treatment
Polished and heat-blued titanium
Finish technology
Anodized / heat-treated
Caseback
Titanium
Nickel-free
Maker states none
Bracelet / strap
Black textile strap with purple stitching
Crystal
Sapphire
Display back
Yes
Dial
Purple (heat-treated titanium)
Dial colours
Purple
Availability
No longer offered
Status
Retired; De Bethune files it under Historical Pieces
Not published
Reference, Lug-to-lug, Weight, Hardness, Construction, Matching bracelet, Lume
Medium confidence Verified Sep 2026 Source: De Bethune (maker archive record) Spec checksGrade Sep 2026
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Frequently asked questions

Is the De Bethune DB28XS Purple Rain (titanium) nickel-free?

On the maker's published specification, no nickel-bearing steel touches the skin: a grade 5 titanium case with a titanium caseback, plus a non-steel crown and strap. That is what the guide records rather than a test of the watch, so confirm the contact points with the maker before buying if you react to nickel.

What is the case material of the De Bethune DB28XS Purple Rain (titanium)?

The De Bethune DB28XS Purple Rain (titanium) has a grade 5 titanium case with a titanium caseback. It is recorded at medium confidence pending a maker-stated material.

What size is the De Bethune DB28XS Purple Rain (titanium)?

It is 38.7 mm in diameter, 7.4 mm thick, and water resistant to 30 m.

How much does the De Bethune DB28XS Purple Rain (titanium) cost, and is it available?

It is no longer offered new; the guide keeps it as an archive reference for the used market.

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