The Titanium Field Guide

HZ Watches HZ.03 Blue Marble (Titanium)

The HZ Watches HZ.03 Blue Marble (Titanium) is a current-production watch with a Grade 5 titanium case. It is priced well under the $1,900 median across the guide.

Titanium other watchesUnder $500MicrobrandUnder 11 mm thickGrade 5 titaniumCompact (38 mm and under)
Price
$399
Titanium
Grade 5
Water resistance
100 m
Type
Other
Case diameter
36.0 mm
Thickness
9.9 mm
Lug-to-lug
43.5 mm
Origin
Australia
Movement
Quartz (Seiko VD78, orbiting-Earth seconds subdial)
Caliber
Seiko VD78
Complications
Time only
Case shape
Round
Case colour
Natural / grey
Finish technology
Natural finish
Caseback
Titanium (screwed-in, Hz medallion)
Nickel-free
Not verified (bracelet, strap, or clasp hardware not confirmed)
Bracelet / strap
Strap
Crystal
Domed sapphire, AR underside
Display back
No
Dial
Natural stone (Agate, Labradorite, Serpentine), Aventurine, and enamel lacquer (Blue Enamel, White, Black); orbiting-Earth seconds subdial
Dial colours
Black White Blue Meteorite
Availability
Offered
Status
Current (limited edition, 100 pieces per dial)
Not published
Reference, Weight, Power reserve, Surface treatment, Titanium bracelet, Lume Help verify
High confidence Verified Jul 2026 Source: HZ Watches (maker) Maker / listing ↗
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More titanium watches from HZ Watches

HZ Watches HZ.01 Everyday (Titanium)HZ WatchesHZ.01 Everyday (Titanium)$24938.5 mm9.8 mm thick45 gDress
HZ WatchesHZ.02 Chronograph (Titanium)$47937.0 mm11.5 mm thickChronograph

Frequently asked questions

What grade of titanium is the HZ Watches HZ.03 Blue Marble (Titanium)?

The HZ Watches HZ.03 Blue Marble (Titanium) has a Grade 5 titanium case with a titanium (screwed-in, hz medallion) caseback. This is confirmed against the maker spec.

What size is the HZ Watches HZ.03 Blue Marble (Titanium)?

It is 36.0 mm in diameter, 9.9 mm thick, 43.5 mm lug to lug, and water resistant to 100 m.

How much does the HZ Watches HZ.03 Blue Marble (Titanium) cost, and is it available?

It is current-production and lists from $399.

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