Shown: reference 228236-0018
Rolex

Day-Date 40 228236 Reference 228236-0018

Day-Date 40

Overview

The Rolex Day-Date 40 228236 comes in a 40 mm platinum case with a blue dial. It runs on the self-winding Rolex calibre 3255 with a 70 hour power reserve and is water resistant to 100 metres. This model is listed with 2 references. It comes on a President bracelet.

The Day-Date was presented in 1956 and was the first watch to show both the date and the day of the week spelled out in full. About the Rolex Day-Date

Case diameter
40 mm
Movement
Calibre 3255
Water resistance
100 m
Power reserve
70 h

Specifications

Specifications from the1916company.com. Last checked . Sources

Case

Diameter
40 mm
Material
Platinum
Crystal
Sapphire, Cyclops lens over the date
Water resistance
100 m
Bezel
Fluted

Dial

Colour
Ice blue

Movement

Calibre
Rolex 3255
Type
Automatic
Power reserve
70 h

Bracelet or strap

Bracelet or strap
President, semi-circular three-piece links

Not yet recorded: thickness, lug width, lug-to-lug, case back, shape, indexes, hands, functions, years.

Sources

  • the1916company.com: case, water resistance, dial, movement, bracelet. View sources

Missing values are shown as not yet recorded, never estimated. How we source our data

MovementRolex calibre 3255Specifications and every watch that uses it

Other versions of the Day-Date 40 228236

The Rolex Day-Date 40 228236 covers 2 references, with a 40 mm case. All use the Rolex calibre 3255.

Each version

  1. 228236-0007

    Platinum · 40 mm

    View specifications
  2. 228236-0018

    Blue dial · Platinum · 40 mm

    View specifications
Compare all 2 references in a table
References of the Rolex Day-Date 40 228236, with dial, case material, size and production years
ReferenceDialCaseSizeProduced
228236-0007–Platinum40 mm–
228236-0018BluePlatinum40 mm–

Day-Date 40 228236 questions

What size is the Rolex Day-Date 40 228236?

The Rolex Day-Date 40 228236 has a 40 mm case.

What movement does the Rolex Day-Date 40 228236 use?

It uses the Rolex calibre 3255.

What is the Rolex Day-Date 40 228236 case made of?

The case is platinum.

Is the Rolex Day-Date 40 228236 water resistant?

It is rated to 100 m.

How many Rolex Day-Date 40 228236 references are there?

Our database lists 2 references.

About the Rolex Day-Date

The Day-Date was presented in 1956 and was the first watch to show both the date and the day of the week spelled out in full. It has been offered only in precious metals, 18 carat gold or platinum. The model was given its own three-link bracelet, known as the President bracelet, a name that also became attached to the watch. It is now offered in 36mm and 40mm sizes, with self-winding chronometer movements.

Sources: Rolex Day-Date (Wikipedia), The Rolex Day-Date: A Complete Collector's Guide (Sotheby's)