The Titanium Field Guide

Seiko Brightz SAGJ003 (Titanium)

Archive · used only

The Seiko Brightz SAGJ003 (Titanium) is a discontinued dress watch with a titanium (grade undisclosed) case, finished with brushed and polished. It ships on a matching titanium bracelet rather than a strap. No longer offered new; listed here as an archive reference for the used market.

All Seiko watchesWatch dress watchesOn a titanium bracelet
Material
Titanium
Grade / type
Titanium (grade undisclosed)
Water resistance
100 m
Type
Dress
Price
– · Y126,000 at launch (JDM); secondary market only
Case diameter
39.0 mm
Origin
Japan
Movement
High-accuracy quartz (plus or minus 20 sec/year)
Caliber
Seiko Cal. 7J21
Complications
Time only
Colour
Grey
Surface treatment
Brushed and polished
Finish technology
Natural finish
Nickel-free
Unconfirmed (contact-point materials not all confirmed)
Bracelet / strap
Titanium bracelet
Matching bracelet
Standard
Crystal
Sapphire
Display back
No
Dial
White (ivory) enamel
Dial colours
White
Availability
No longer offered
Status
No longer in production (discontinued JDM Brightz, released 2002)
Not published
Reference, Thickness, Lug-to-lug, Weight, Power reserve, Hardness, Construction, Caseback, Lume
Medium confidence Verified Jun 2026 Source: EveryWatch (SAGJ003: case material Titanium, 7J21, 2002) / WatchCharts (SAGJ003 full titanium HAQ) Suggested by u/StudioZanello
Facts are free to cite with a link.
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Frequently asked questions

What is the case material of the Seiko Brightz SAGJ003 (Titanium)?

The Seiko Brightz SAGJ003 (Titanium) has a titanium (grade undisclosed) case. It is recorded at medium confidence pending a maker-stated material.

What size is the Seiko Brightz SAGJ003 (Titanium)?

It is 39.0 mm in diameter, and water resistant to 100 m.

How much does the Seiko Brightz SAGJ003 (Titanium) cost, and is it available?

It is no longer offered new; the guide keeps it as an archive reference for the used market.

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