De Bethune DB28xs Kind of Blue Tourbillon

The De Bethune DB28xs Kind of Blue Tourbillon is a current-production watch with a grade 5 titanium case, finished with mirror-polished, then proprietary thermal oxidation (blued). It is priced well above the $2,150 median across the guide.

1 official photo · reader photos welcome

Price

$225,000

Material

Titanium

Grade / type

Grade 5

Reference

DB28XSTB

Type

Other

Case diameter

38.7 mm

Thickness

8 mm

Origin

Switzerland

Movement

Manual hand-wound, 30-second tourbillon

Caliber

DB2009v7

Power reserve

5 days (120 h)

Complications

Tourbillon, Power reserve

Colour

Blue

Surface treatment

Mirror-polished, then proprietary thermal oxidation (blued)

Caseback

Titanium

Nickel-free

Not verified (bracelet, strap, or clasp hardware not confirmed)

Bracelet / strap

Alligator strap

Crystal

Sapphire (double AR)

Display back

No

Dial

Blue (blued titanium, microlight-engraved)

Dial colours

Blue

Availability

Offered

Status

Current (Geneva Watch Days 2025)

Not published

Lug-to-lug, Water resistance, Weight, Hardness, Construction, Matching bracelet, Lume

High confidence Verified Jul 2026 Source: De Bethune / Monochrome Maker / listing ↗

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