The Titanium Field Guide

Zenith Defy 21 Ultrablue (microblasted titanium)

97.9001.9004/81.R946

The Zenith Defy 21 Ultrablue (microblasted titanium) is a current-production integrated bracelet watch with a titanium (grade undisclosed) case, finished with microblasted titanium. It is priced close to the $13,887 median for the category. The caseback is open, so the movement is visible.

All Zenith watchesWatch integrated bracelet watchesPower reserveDisplay backChronograph
Price
$14,000
Material
Titanium
Grade / type
Titanium (grade undisclosed)
Water resistance
100 m
Reference
97.9001.9004/81.R946
Type
Integrated bracelet
Case diameter
44.0 mm
Thickness
14.5 mm
Origin
Switzerland
Movement
Automatic (1/100th chronograph)
Caliber
Zenith El Primero 9004
Power reserve
50 h
Complications
Chronograph, Power reserve
Colour
Grey
Surface treatment
Microblasted titanium
Finish technology
Natural finish
Nickel-free
Unconfirmed (contact-point materials not all confirmed)
Bracelet / strap
Rubber strap
Crystal
Sapphire
Display back
Yes
Dial
Blue open-worked
Dial colours
Blue
Lume
Super-LumiNova
Availability
Offered
Status
Current
Not published
Lug-to-lug, Weight, Hardness, Construction, Caseback, Matching bracelet
Medium confidence Verified Jun 2026 Source: Zenith
Facts are free to cite with a link.
Reader reviews & photosContribute photo or review
See it in the interactive guideGet new-watch alertsContribute a photo or review

Similar watches

Alternatives to the Zenith Defy 21 Ultrablue (microblasted titanium)

More watches from Zenith

Frequently asked questions

What is the case material of the Zenith Defy 21 Ultrablue (microblasted titanium)?

The Zenith Defy 21 Ultrablue (microblasted titanium) has a titanium (grade undisclosed) case. It is recorded at medium confidence pending a maker-stated material.

What size is the Zenith Defy 21 Ultrablue (microblasted titanium)?

It is 44.0 mm in diameter, 14.5 mm thick, and water resistant to 100 m.

How much does the Zenith Defy 21 Ultrablue (microblasted titanium) cost, and is it available?

It is current-production and lists from $14,000.

All Zenith watches · Watch integrated bracelet watches · All 1,600 watches

Learn: Titanium grades · Surface treatments · Why titanium scratches · How to read a spec

How we verify & grade · Image & Trademark Policy · Terms & Conditions

Report an error on this page · how corrections work