The Titanium Field Guide

Borealis Navale Bronze

The Borealis Navale Bronze is a current-production diver watch with a cusn8 marine bronze case.

All Borealis watchesExotic-material diver watchesMicrobrand
Material
Bronze
Grade / type
CuSn8 marine bronze
Water resistance
300 m
Type
Diver
Case diameter
42.0 mm
Thickness
13.4 mm
Lug-to-lug
49.7 mm
Origin
Portugal
Movement
Automatic
Caliber
Miyota 9015
Power reserve
42h
Complications
Time only
Construction
Assembled
Finish technology
Natural finish
Nickel-free
Unconfirmed (contact-point materials not all confirmed)
Bracelet / strap
Strap; signed screw-down crown in CuSn8 bronze
Crystal
Sapphire
Display back
No
Dial
Blue fumed (multiple dial options)
Dial colours
Blue
Lume
C3X1 Super-LumiNova
Availability
Offered
Status
Current
Not published
Reference, Price, Weight, Colour, Hardness, Surface treatment, Caseback, Matching bracelet
Medium confidence Verified Jul 2026 Source: Retailer / Retailer
Facts are free to cite with a link.
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Frequently asked questions

What is the case material of the Borealis Navale Bronze?

The Borealis Navale Bronze has a cusn8 marine bronze case. It is recorded at medium confidence pending a maker-stated material.

What size is the Borealis Navale Bronze?

It is 42.0 mm in diameter, 13.4 mm thick, 49.7 mm lug to lug, and water resistant to 300 m.

How much does the Borealis Navale Bronze cost, and is it available?

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

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