The Titanium Field Guide

De Bethune DB25 Perpetual Sky

DB25SQPV2

The De Bethune DB25 Perpetual Sky is a current-production watch with a grade 5 titanium case, finished with polished. The caseback is open, so the movement is visible.

All De Bethune watchesWatch other watchesGrade 5 titaniumPerpetual calendarDisplay back
Material
Titanium
Grade / type
Grade 5
Reference
DB25SQPV2
Type
Other
Price
– · price on request
Case diameter
40.0 mm
Thickness
11.3 mm
Origin
Switzerland
Movement
Manual, perpetual calendar with spherical moon-phase and leap-year indicators
Caliber
De Bethune DB2005V3
Power reserve
5 days
Complications
Perpetual calendar
Colour
Grey
Surface treatment
Polished
Finish technology
Natural finish
Caseback
Titanium (open, polished)
Nickel-free
Unconfirmed (bracelet, strap, or clasp hardware not confirmed)
Bracelet / strap
Leather strap
Crystal
Sapphire, double anti-reflective coating
Display back
Yes
Dial
Starry sky and Milky Way motif
Dial colours
Blue
Availability
Offered
Status
Current
Not published
Lug-to-lug, Water resistance, Weight, Hardness, Construction, Matching bracelet, Lume
High confidence Verified Sep 2026 Source: De Bethune (maker)
Facts are free to cite with a link.
Reader reviews & photosContribute photo or review
See it in the interactive guideGet new-watch alertsContribute a photo or review

Browse all watch comparisons →

Similar watches

Lederer Inverto Titanium 39mmLedererInverto Titanium 39mm$189,47939.0 mm10.5 mm thickOthersame category · same style · similar size · similar thicknessRessence Type 11RessenceType 11$28,67141.0 mm11 mm thickOthersame category · same style · similar size · similar thicknessSwiss Watch Company Hyper-GSwiss Watch CompanyHyper-G$59540.5 mm10.8 mm thick56 gOthersame category · same style · similar size · similar thickness
Ochs und JuniorAnno Sandblasted Annual Calendar (titanium)$6,45442.0 mm11 mm thick51 gOthersame category · same style · similar size · similar thicknessHorage Lensman 1 TourbillonHorageLensman 1 Tourbillon$11,08241.0 mm10.3 mm thick44 gOthersame category · same style · similar size · similar thicknessBreguet Marine 5517BreguetMarine 5517$19,90040.0 mm11.5 mm thickOthersame category · same style · similar size · similar thicknessDavid Candaux DC12 MaveriKDavid CandauxDC12 MaveriK$122,16439.5 mm11.7 mm thick47.8 gOthersame category · same style · similar size · similar thicknessRoger Dubuis Excalibur Titanium MonotourbillonRoger DubuisExcalibur Titanium Monotourbillon$167,50042.0 mm12.62 mm thickOthersame category · same style · similar size · similar thickness

Alternatives to the De Bethune DB25 Perpetual Sky

Ochs und JuniorCalendario Cent'Anni (CCA)–40.0 mm11 mm thick65 gOthersame category · same style · shared complications · similar sizeCIGA Design Hunter Tourbillon (titanium)CIGA DesignHunter Tourbillon (titanium)$1,99941.5 mmOthersame category · same style · similar size · same movement
BehrensThe Dark Knight Tourbillon$6,39038.0 mmOthersame category · same style · similar size · same movementBehrens Kung Fu Titanium EditionBehrensKung Fu Titanium Edition$17,70039.5 mm11.4 mm thickOthersame category · same style · similar size · same movementHublot Big Bang MECA-10 Titanium 42mmHublotBig Bang MECA-10 Titanium 42mm$27,89142.0 mm13.9 mm thickOthersame category · same style · similar size · same movementRomain Gauthier C by Romain Gauthier (Titanium)Romain GauthierC by Romain Gauthier (Titanium)$59,83641.0 mm9.55 mm thick55 gOthersame category · same style · similar size · same movement

More watches from De Bethune

De Bethune DB28XS Purple Rain (titanium)De BethuneDB28XS Purple Rain (titanium)–38.7 mm7.4 mm thickOtherDe Bethune DB25 Starry Varius (titanium)De BethuneDB25 Starry Varius (titanium)–42.0 mm8.8 mm thickOther
De BethuneDB25 Perpetual Calendar (titanium)–40.0 mmOtherDe Bethune DB28xs Kind of Blue TourbillonDe BethuneDB28xs Kind of Blue Tourbillon$225,00038.7 mm8 mm thickOtherDe Bethune DB25 DigitaleDe BethuneDB25 Digitale–42.0 mm11.9 mm thickOtherDe Bethune DB28XS Sea TourbillonDe BethuneDB28XS Sea Tourbillon–38.7 mm8 mm thickOther

Frequently asked questions

What is the case material of the De Bethune DB25 Perpetual Sky?

The De Bethune DB25 Perpetual Sky has a grade 5 titanium case with a titanium (open, polished) caseback. This is confirmed against the maker spec.

What size is the De Bethune DB25 Perpetual Sky?

It is 40.0 mm in diameter, 11.3 mm thick.

How much does the De Bethune DB25 Perpetual Sky cost, and is it available?

It is current-production; the guide does not list a price for it.

All De Bethune watches · Watch other watches · All 1,600 watches

Learn: Titanium grades · Surface treatments · Why titanium scratches · How to read a spec

How we verify & grade · Image & Trademark Policy · Terms & Conditions

Report an error on this page · how corrections work