The Titanium Field GuidePicks of the month

RZE Fortitude

Archive · used only

The RZE Fortitude was a 41 mm Grade 2 titanium pilot watch with a Seiko NH35A automatic movement. The case is surface-hardened, which guards against the scuffs bare titanium picks up. It is no longer made, so this page is a reference for buying one used.

All RZE watchesPilot watchesUnder $1,000MicrobrandLightest, rankedOn a titanium bracelet
Price
$599
Material
Titanium
Grade / type
Grade 2
Weight
115 g (with bracelet)
Water resistance
100 m
Type
Pilot
Case diameter
41.0 mm
Thickness
12.45 mm
Lug-to-lug
48 mm
Origin
Singapore
Movement
Automatic
Caliber
Seiko NH35A
Power reserve
~41 h
Complications
Date
Colour
Grey
Surface treatment
UltraHex coating
Finish technology
Surface hardening
Caseback
Titanium
Nickel-free
No (steel contact)
Bracelet / strap
Titanium bracelet (UltraHex)
Matching bracelet
Standard
Crystal
Sapphire, inner AR
Display back
No
Dial
Black (NightHawk), white, teal, and grey colourways (GMT adds red)
Dial colours
Black White Grey Blue Red
Lume
Super-LumiNova
Availability
No longer offered
Status
Discontinued; RZE line continues as Fortitude GMT (from $699)
Not published
Reference, Hardness, Construction
High confidence Verified Sep 2026 Source: Time+Tide / RZE (maker, dimensions) Maker ↗
Facts are free to cite with a link.
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Frequently asked questions

Is the RZE Fortitude nickel-free?

No. At least one part that touches the skin is steel, usually the caseback or the clasp, and steel carries nickel, so the guide does not list it as nickel-free.

What grade of titanium is the RZE Fortitude?

Grade 2, as stated by the maker. The caseback is titanium too.

What size is the RZE Fortitude?

The case is 41 mm across, 12.45 mm thick and 48 mm from lug to lug. It is water resistant to 100 m.

How much does the RZE Fortitude weigh?

About 115 g on its bracelet.

How much does the RZE Fortitude cost, and is it available?

It is no longer made, so the only way to buy one is used. Its list price when it was in production was $599.

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