The Wristwatch 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.

Exotic-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
Caseback
Sapphire
Nickel-free
Not verified (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 Maker / listing ↗
Facts are free to cite with a link.
See it in the interactive guide

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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.

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