The Titanium Field Guide

RZE Endeavour

The RZE Endeavour is a current-production diver watch with a grade 2 titanium case, finished with ultrahex coating. At 105 g it sits around the middle for diver watches in the guide, and is priced well under the $1,299 median for the category. The maker states no nickel-bearing steel at any skin-contact point, across the case, caseback and bracelet.

All RZE watchesWatch diver watchesUnder $1,000MicrobrandLightest, rankedOn a titanium bracelet
Price
$579
Material
Titanium
Grade / type
Grade 2
Weight
105 g (with bracelet)
Water resistance
200 m
Type
Diver
Case diameter
39.6 mm
Thickness
12.2 mm
Lug-to-lug
46.1 mm
Origin
Singapore
Movement
Automatic
Caliber
Seiko NH38A (no date)
Power reserve
~41 h
Complications
Time only
Colour
Grey
Surface treatment
UltraHex coating
Finish technology
Surface hardening
Caseback
Titanium
Nickel-free
Maker states none
Bracelet / strap
Titanium bracelet (UltraHex)
Matching bracelet
Standard
Crystal
Sapphire, inner AR
Display back
No
Dial
Various (Glacier, Polaris White and others)
Dial colours
White
Lume
Super-LumiNova (two-colour)
Availability
Offered
Status
Current
Not published
Reference, Hardness, Construction
High confidence Verified Sep 2026 Source: Worn & Wound / RZE (maker, dimensions) Maker ↗ Spec checksGrade Jul 2026Price Sep 2026Weight Jul 2026
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Frequently asked questions

Is the RZE Endeavour nickel-free?

On the maker's published specification, no nickel-bearing steel touches the skin: a grade 2 titanium case with a titanium caseback, plus a non-steel crown and bracelet and clasp. That is what the guide records rather than a test of the watch, so confirm the contact points with the maker before buying if you react to nickel.

What is the case material of the RZE Endeavour?

The RZE Endeavour has a grade 2 titanium case with a titanium caseback. This is confirmed against the maker spec.

What size is the RZE Endeavour?

It is 39.6 mm in diameter, 12.2 mm thick, 46.1 mm lug to lug, and water resistant to 200 m.

How much does the RZE Endeavour weigh?

About 105 g (w/ bracelet).

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

It is current-production and lists from $579.

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