The Titanium Field Guide

Viribus Unitis IR27 Bronze

The Viribus Unitis IR27 Bronze is a 44 mm bronze field watch with a Sellita SW360-1 automatic movement.

All Viribus Unitis watchesField watchesUnder $3,000Microbrand
Price
≈$2,130 (€1,890)
Material
Bronze
Grade / type
Bronze (alloy not stated)
Water resistance
200 m
Type
Field
Case diameter
44.0 mm
Thickness
13.8 mm
Origin
Austria
Movement
Automatic
Caliber
Sellita SW360-1
Complications
Date
Finish technology
Natural finish
Caseback
Steel
Nickel-free
No (steel contact)
Bracelet / strap
22mm leather strap with metal buckle
Crystal
Double domed sapphire, AR coated
Display back
No
Dial
Brown bicolor sunburst sandwich (IR27 Bronze), blue bicolor sunburst sandwich (KJR2 Bronze), blue sandwich (IR36 Bronze), rose sandwich (IR6 Bronze)
Dial colours
Blue Salmon Brown Bronze
Lume
Super-LumiNova
Availability
Offered
Status
Current (numbered limited editions: IR27 Bronze and KJR2 Bronze 200 pieces each, IR36 Bronze and IR6 Bronze 50 pieces each)
Not published
Reference, Lug-to-lug, Weight, Power reserve, Colour, Hardness, Construction, Surface treatment, Matching bracelet
Medium confidence Verified Oct 2026 Source: Viribus Unitis (IR27 Bronze) / Viribus Unitis (KJR2 Bronze) / Viribus Unitis (IR36 Bronze) / Viribus Unitis (IR6 Bronze)
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Viribus UnitisSHU8$2,57044.0 mm13.8 mm thickField
Viribus UnitisKarboform (Hexenstein, Monte Grappa, Pasubio, Seikofel, Tofana)$3,38144.0 mm13.8 mm thick110 gField

Frequently asked questions

Is the Viribus Unitis IR27 Bronze nickel-free?

No. The caseback is steel, and steel carries nickel, so the guide does not list it as nickel-free.

What is the case of the Viribus Unitis IR27 Bronze made of?

The case is bronze (alloy not stated). The guide has not yet confirmed it on the maker's own page. The caseback is steel, not titanium.

What size is the Viribus Unitis IR27 Bronze?

The case is 44 mm across and 13.8 mm thick. It is water resistant to 200 m.

How much does the Viribus Unitis IR27 Bronze cost, and is it available?

It is in production, at a list price of $2,130.

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