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Harry Winston

Harry Winston Project Z1 OCEACT44ZZ001

The Harry Winston Project Z1 (reference OCEACT44ZZ001) is a 44 mm Zalium watch with a gray dial. It runs on the automatic caliber HW2831A. It was introduced in 2004.

Specifications

Case

Reference
OCEACT44ZZ001
Collection
Project Z
Case size
44 mm
Case material
Zalium
Case shape
Round
Crystal
Sapphire
Bracelet / strap
Green rubber

Dial and bezel

Dial
Gray

Movement

Movement
Automatic
Caliber
HW2831A
Functions
Chronograph, Triple retrograde

Production

Production
2004 – today

Dial versions

This reference was made with these dials and finishes.

  • OCEACT44ZZ001 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
OCEACT44ZZ001 (This watch)44 mmZaliumGrayHW2831A2004–
OCEACH44ZZ00144 mmZaliumGray11852005–
OCEAMP42ZZ00142.2 mmZalium——2019–
OCEATO44ZZ00144 mmZaliumGrayHW401A2006–
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 Z1 OCEACT44ZZ001?
The Harry Winston Project Z1 OCEACT44ZZ001 has a 44 mm case.
What movement does the Harry Winston Project Z1 OCEACT44ZZ001 use?
It uses the automatic caliber HW2831A.
When did the Harry Winston Project Z1 OCEACT44ZZ001 come out?
It was introduced in 2004.
What is the Harry Winston Project Z1 OCEACT44ZZ001 made of?
The case is Zalium. Bracelet or strap: Green rubber.
See every Project Z referenceAll Harry Winston collections

Catalog facts checked November 2026.