The Titanium Field Guide

Voutilainen 28TAi (Inverse)

Archive · used only

The Voutilainen 28TAi (Inverse) is a discontinued dress watch with a tantalum case. The caseback is open, so the movement is visible. No longer offered new; listed here as an archive reference for the used market.

All Voutilainen watchesExotic-material dress watchesDisplay back
Material
Tantalum
Grade / type
Tantalum
Water resistance
30 m
Type
Dress
Price
– · bespoke
Case diameter
39.0 mm
Origin
Switzerland
Movement
Automatic
Complications
Time only
Colour
Grey
Construction
Assembled
Finish technology
Natural finish
Caseback
Sapphire
Nickel-free
Unconfirmed (bracelet, strap, or clasp hardware not confirmed)
Bracelet / strap
Leather strap
Crystal
Sapphire
Display back
Yes
Dial
Guilloche
Availability
No longer offered
Status
Archive (limited/bespoke)
Not published
Reference, Thickness, Lug-to-lug, Weight, Caliber, Power reserve, Hardness, Surface treatment, Matching bracelet, Lume
Medium confidence Verified Jul 2026 Source: Voutilainen (maker) / A Collected Man
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 exotic-material watch comparisons →

Similar exotic-material watches

Swiss Watch Company TumblerSwiss Watch CompanyTumbler$75041.0 mm10 mm thickDresssame category · same style · similar size · same movementWicked Watch Co. Basilea 39Wicked Watch Co.Basilea 39$93539.0 mm10 mm thickDresssame category · same style · similar size · same movement
Frederique ConstantSlimline Automatic Titanium$1,49540.0 mmDresssame category · same style · similar size · same movementLouis Erard La Semaine Louis Erard x Alain SilbersteinLouis ErardLa Semaine Louis Erard x Alain Silberstein$4,98640.0 mmDresssame category · same style · similar size · same movementLouis Erard Le Regulateur Louis Erard x Alain SilbersteinLouis ErardLe Regulateur Louis Erard x Alain Silberstein$4,98640.0 mmDresssame category · same style · similar size · same movementMauron Musy UNIXMauron MusyUNIX$22,90041.0 mm11 mm thickDresssame category · same style · similar size · same movementSchwarz Etienne 1902 Petite Seconde (Grade 5 Titanium)Schwarz Etienne1902 Petite Seconde (Grade 5 Titanium)$23,06239.0 mm10.9 mm thickDresssame category · same style · similar size · same movementArtyA Luminity Micro-Rotor TitaniumArtyALuminity Micro-Rotor Titanium$24,80740.0 mm13 mm thickDresssame category · same style · similar size · same movement

Alternatives to the Voutilainen 28TAi (Inverse)

Berny Automatic Titanium Classic AMT358BernyAutomatic Titanium Classic AMT358$125.9940.5 mmDresssame category · same style · similar size · same movementBoderry Urban Skeleton TitaniumBoderryUrban Skeleton Titanium$14940.0 mm12 mm thickDresssame category · same style · similar size · same movementBoccia Titanium 3677BocciaTitanium 3677$28840.0 mm11 mm thickDresssame category · same style · similar size · same movementBoccia Titanium 3586BocciaTitanium 3586$32141.5 mm12.5 mm thickDresssame category · same style · similar size · same movementPortahl Peacemaker (DLC Titanium)PortahlPeacemaker (DLC Titanium)$59940.0 mm11 mm thickDresssame category · same style · similar size · same movement
ChronoAstraCustom Starmap$76040.0 mm9.95 mm thickDresssame category · same style · similar size · same movement

Frequently asked questions

What is the case material of the Voutilainen 28TAi (Inverse)?

The Voutilainen 28TAi (Inverse) has a tantalum case with a sapphire caseback. It is recorded at medium confidence pending a maker-stated material.

What size is the Voutilainen 28TAi (Inverse)?

It is 39.0 mm in diameter, and water resistant to 30 m.

How much does the Voutilainen 28TAi (Inverse) cost, and is it available?

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

All exotic-material Voutilainen watches · Exotic-material dress watches · All 1,392 watches

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

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