The Titanium Field Guide

Viribus Unitis L47

The Viribus Unitis L47 is a 40 mm bronze pilot watch with a Sellita STP1-11 automatic movement. At 170 g, only two of the 46 other bronze watches weighed without a bracelet are heavier.

All Viribus Unitis watchesPilot watchesUnder $3,000MicrobrandLightest, ranked
Price
≈$2,029 (€1,800)
Material
Bronze
Grade / type
Bronze (alloy not stated)
Weight
170 g (head only)
Water resistance
200 m
Type
Pilot
Case diameter
40.0 mm
Thickness
13.4 mm
Origin
Austria
Movement
Automatic
Caliber
Sellita STP1-11
Complications
Date
Finish technology
Natural finish
Caseback
Steel
Nickel-free
No (steel contact)
Bracelet / strap
22mm NATO strap
Crystal
Sapphire, AR coated
Display back
No
Dial
Brown sandwich dial with stardust finish
Dial colours
Brown
Lume
Super-LumiNova
Availability
Offered
Status
Current
Not published
Reference, Lug-to-lug, Power reserve, Colour, Hardness, Construction, Surface treatment, Matching bracelet
Medium confidence Verified Oct 2026 Source: Viribus Unitis (L47)
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More watches from Viribus Unitis

Viribus Unitis 53.29Viribus Unitis53.29$2,02940.0 mm13.4 mm thick120 gOther
Viribus UnitisA24$52742.0 mm14 mm thick180 gPilot
Viribus UnitisIR27 Bronze$2,13044.0 mm13.8 mm thickField
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 L47 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 L47 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 L47?

The case is 40 mm across and 13.4 mm thick. It is water resistant to 200 m.

How much does the Viribus Unitis L47 weigh?

About 170 g for the watch head alone.

How much does the Viribus Unitis L47 cost, and is it available?

It is in production, at a list price of $2,029.

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