Skip to content

Harry Winston

Harry Winston Project Z3 Sport OCEATO44ZZ001

The Harry Winston Project Z3 Sport (reference OCEATO44ZZ001) is a 44 mm Zalium watch with a gray dial. It runs on the caliber HW401A with a 110-hour power reserve and is water resistant to 100 m. It was introduced in 2006.

Specifications

Case

Reference
OCEATO44ZZ001
Collection
Project Z
Case size
44 mm
Case material
Zalium
Case shape
Round
Crystal
Sapphire
Water resistance
100 m
Bracelet / strap
Black rubber

Dial and bezel

Dial
Gray

Movement

Caliber
HW401A
Power reserve
110 hours
Functions
Tourbillon, Small seconds, Power reserve

Production

Production
2006 – today

Dial versions

This reference was made with these dials and finishes.

  • OCEATO44ZZ001 Gray

    Arabic numerals

How it compares within the Project Z family

Side by side with other references in the same collection, from the catalog.

ReferenceSizeMaterialDialCaliberYears
OCEATO44ZZ001 (This watch)44 mmZaliumGrayHW401A2006–
OCEACH44ZZ00144 mmZaliumGray11852005–
OCEACT44ZZ00144 mmZaliumGrayHW2831A2004–
OCEAMP42ZZ00142.2 mmZalium——2019–
OCEATZ44ZZ00144 mmZalium—GP 31962007–
OCEMAL44ZZ00144 mmZaliumGrayHW10102010–

About the Project Z family

The Project Z watches are made in Zalium, Harry Winston's zirconium-based alloy, which is light and corrosion-resistant.

The catalog lists Project Z1 to Z13, sports watches with chronographs, retrograde displays, dual time, an alarm or a tourbillon, each in a limited series. Dealers check the number and papers.

Quick answers

What size is the Harry Winston Project Z3 Sport OCEATO44ZZ001?
The Harry Winston Project Z3 Sport OCEATO44ZZ001 has a 44 mm case.
What movement does the Harry Winston Project Z3 Sport OCEATO44ZZ001 use?
It uses the caliber HW401A, with a 110-hour power reserve.
How water resistant is the Harry Winston Project Z3 Sport OCEATO44ZZ001?
It is water resistant to 100 metres.
When did the Harry Winston Project Z3 Sport OCEATO44ZZ001 come out?
It was introduced in 2006.
What is the Harry Winston Project Z3 Sport OCEATO44ZZ001 made of?
The case is Zalium. Bracelet or strap: Black rubber.

Catalog facts checked November 2026.