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Harry Winston

Harry Winston Ocean Tourbillon Big Date 45 OCEMTD45RR001

The Harry Winston Ocean Tourbillon Big Date 45 (reference OCEMTD45RR001) is a 45.6 mm rose gold watch with a silver dial. It runs on the manual caliber HW4301 with a 110-hour power reserve and is water resistant to 50 m. It was introduced in 2012.

Specifications

Case

Reference
OCEMTD45RR001
Collection
Ocean
Case size
45.6 mm
Thickness
15 mm
Case material
Rose gold
Case shape
Round
Crystal
Sapphire
Water resistance
50 m
Bracelet / strap
Black leather

Dial and bezel

Dial
Silver

Movement

Movement
Manual
Caliber
HW4301
Power reserve
110 hours
Functions
Tourbillon, Big date, Power reserve, Off-centre time

Production

Production
2012 – today

Dial versions

This reference was made with these dials and finishes.

  • OCEMTD45RR001 Silver

    Silver

How it compares within the Ocean family

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

ReferenceSizeMaterialDialCaliberYears
OCEMTD45RR001 (This watch)45.6 mmRose goldSilverHW43012012–
OCEABI36WW04236 mmWhite gold———
OCEABI42WW00242.2 mmWhite goldWhiteHW33052019–
OCEABI42WW00342.2 mmWhite gold——2019–
OCEACH44RR00144 mmRose gold—HW3304—
OCEATO44WW00244 mmWhite goldGrey——
OCEATZ44RR00144 mmRose gold—HW1001—

About the Ocean family

The Ocean line holds Harry Winston's sports and complication watches.

The catalog lists the Ocean Biretrograde, Chronograph, Dual Time and tourbillon models, including gem-set versions, in white and rose gold. Dealers check the stones on gem-set pieces and the papers.

Quick answers

What size is the Harry Winston Ocean Tourbillon Big Date 45 OCEMTD45RR001?
The Harry Winston Ocean Tourbillon Big Date 45 OCEMTD45RR001 has a 45.6 mm case, 15 mm thick.
What movement does the Harry Winston Ocean Tourbillon Big Date 45 OCEMTD45RR001 use?
It uses the manual caliber HW4301, with a 110-hour power reserve.
How water resistant is the Harry Winston Ocean Tourbillon Big Date 45 OCEMTD45RR001?
It is water resistant to 50 metres.
When did the Harry Winston Ocean Tourbillon Big Date 45 OCEMTD45RR001 come out?
It was introduced in 2012.
What is the Harry Winston Ocean Tourbillon Big Date 45 OCEMTD45RR001 made of?
The case is rose gold. Bracelet or strap: Black leather.

Catalog facts checked November 2026.