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 $1,300 median for the category. Nothing touching the skin is nickel-bearing steel, verified across the case, caseback and bracelet.

Titanium diver watchesUnder $1,000MicrobrandLightest, rankedOn a titanium bracelet
Price
$579
Titanium
Grade 2
Weight
105 g (with bracelet)
Water resistance
200 m
Nickel-free
Yes
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
Case shape
Round
Case colour
Natural / grey
Finish technology
Surface hardening
Surface treatment
UltraHex coating
Caseback
Titanium
Bracelet / strap
Titanium bracelet (UltraHex)
Titanium 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
High confidence Verified Jul 2026 Source: Worn & Wound / RZE (maker, dimensions) Maker / listing ↗
Facts are free to cite with a link.
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Frequently asked questions

Is the RZE Endeavour nickel-free?

Yes. Nothing nickel-bearing touches the skin: a Grade 2 titanium case with a titanium caseback, plus a non-steel crown and bracelet and clasp. The Titanium Field Guide marks it nickel-free for whole-watch skin contact. If your allergy is severe, confirm the contact points with the maker.

What grade of titanium is 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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