The Titanium Field Guide

HZ Watches HZ.03 Blue Marble (enamel dials)

HZ.03 Blue Marble - White / Black / Blue Enamel

The HZ Watches HZ.03 Blue Marble (enamel dials) is a current-production dress watch with a Grade 5 titanium case. It is priced well under the $542 median for the category.

All HZ Watches watchesTitanium dress watchesUnder $500MicrobrandUnder 11 mm thickGrade 5 titaniumCompact (38 mm and under)
Price
$249
Titanium
Grade 5
Water resistance
100 m
Partially verifiedTitanium case and titanium (solid, engraved; enamel logo inlay) caseback are maker-confirmed; the crown, clasp or strap hardware is not stated, so the whole-watch verdict stays open.Why this matters
Reference
HZ.03 Blue Marble - White / Black / Blue Enamel
Type
Dress
Case diameter
36.0 mm
Thickness
9.9 mm
Lug-to-lug
43.5 mm
Origin
Australia
Movement
Quartz with an orbiting-Earth seconds subdial
Caliber
Seiko VD78
Complications
Time only
Case shape
Round
Case colour
Natural / grey
Finish technology
Natural finish
Caseback
Titanium (solid, engraved; enamel logo inlay)
Nickel-free
Not verified (bracelet, strap, or clasp hardware not confirmed)
Bracelet / strap
Leather strap, quick-release spring bars
Crystal
Domed sapphire, 3-layer AR (underside)
Display back
No
Dial
White (sector), black, or blue enamel lacquer
Dial colours
Black White Blue
Availability
Offered
Status
Current (each dial limited to 100)
Not published
Weight, Power reserve, Surface treatment, Titanium bracelet, Lume Help verify
High confidence Verified Aug 2026 Source: HZ Watches (maker) / HZ Watches (HZ.03 collection) Spec checksPrice Aug 2026
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Frequently asked questions

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

The HZ Watches HZ.03 Blue Marble (enamel dials) has a Grade 5 titanium case with a titanium (solid, engraved; enamel logo inlay) caseback. This is confirmed against the maker spec.

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

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 (enamel dials) cost, and is it available?

It is current-production and lists from $249.

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