The Titanium Field Guide

Citizen Promaster Dive Fujitsubo Super Titanium (NB6021)

NB6021-68L

The Citizen Promaster Dive Fujitsubo Super Titanium (NB6021) is a current-production diver watch with a titanium (super titanium) case, finished with duratect. At 111 g it sits around the middle for diver watches in the guide, and is priced under the $1,299 median for the category. It ships on a matching titanium bracelet rather than a strap.

All Citizen watchesWatch diver watchesUnder $3,000Lightest, rankedOn a titanium bracelet
Price
$1,025
Material
Titanium
Grade / type
Titanium (Super Titanium)
Weight
111 g (with bracelet)
Water resistance
200 m
Reference
NB6021-68L
Type
Diver
Case diameter
41.0 mm
Origin
Japan
Movement
Automatic
Caliber
Citizen 9051
Power reserve
42 h
Complications
Time only
Colour
Grey
Surface treatment
Duratect
Finish technology
Surface hardening
Nickel-free
Unconfirmed (contact-point materials not all confirmed)
Bracelet / strap
Super Titanium bracelet
Matching bracelet
Standard
Crystal
Sapphire, AR coated
Display back
No
Dial
Blue, embossed
Dial colours
Blue
Lume
Yes
Availability
Offered
Status
Current
Not published
Thickness, Lug-to-lug, Hardness, Construction, Caseback
High confidence Verified Jul 2026 Source: Monochrome / Long Island Watch Maker ↗
Facts are free to cite with a link.
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Frequently asked questions

What is the case material of the Citizen Promaster Dive Fujitsubo Super Titanium (NB6021)?

The Citizen Promaster Dive Fujitsubo Super Titanium (NB6021) has a titanium (super titanium) case. This is confirmed against the maker spec.

What size is the Citizen Promaster Dive Fujitsubo Super Titanium (NB6021)?

It is 41.0 mm in diameter, and water resistant to 200 m.

How much does the Citizen Promaster Dive Fujitsubo Super Titanium (NB6021) weigh?

About 111 g (w/ bracelet).

How much does the Citizen Promaster Dive Fujitsubo Super Titanium (NB6021) cost, and is it available?

It is current-production and lists from $1,025.

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