The Titanium Field Guide

Zenith Defy Extreme Diver 42.5mm (titanium)

95.9600.3620.21.I300

The Zenith Defy Extreme Diver 42.5mm (titanium) is a current-production diver watch with a titanium (grade undisclosed) case, finished with brushed titanium; ceramic bezel; helium valve. It is priced well above the $1,299 median for the category. The caseback is open, so the movement is visible.

All Zenith watchesWatch diver watchesDisplay back
Price
$12,300
Material
Titanium
Grade / type
Titanium (grade undisclosed)
Water resistance
600 m
Reference
95.9600.3620.21.I300
Type
Diver
Case diameter
42.5 mm
Thickness
15.5 mm
Origin
Switzerland
Movement
Automatic
Caliber
Zenith El Primero 3620 SC
Power reserve
60 h
Complications
Date
Colour
Grey
Surface treatment
Brushed titanium; ceramic bezel; helium valve
Finish technology
Natural finish
Nickel-free
Unconfirmed (contact-point materials not all confirmed)
Bracelet / strap
Titanium, rubber and fabric straps
Crystal
Sapphire
Display back
Yes
Dial
Black starry sunray
Dial colours
Black
Lume
Super-LumiNova
Availability
Offered
Status
Current
Not published
Lug-to-lug, Weight, Hardness, Construction, Caseback, Matching bracelet
Medium confidence Verified Jul 2026 Source: Zenith
Facts are free to cite with a link.
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Alternatives to the Zenith Defy Extreme Diver 42.5mm (titanium)

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More watches from Zenith

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Frequently asked questions

What is the case material of the Zenith Defy Extreme Diver 42.5mm (titanium)?

The Zenith Defy Extreme Diver 42.5mm (titanium) has a titanium (grade undisclosed) case. It is recorded at medium confidence pending a maker-stated material.

What size is the Zenith Defy Extreme Diver 42.5mm (titanium)?

It is 42.5 mm in diameter, 15.5 mm thick, and water resistant to 600 m.

How much does the Zenith Defy Extreme Diver 42.5mm (titanium) cost, and is it available?

It is current-production and lists from $12,300.

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