Waxing crescent

Watch news and tools for
collectors and the curious.

Side by side

The watches side by side

Differs

RolexDay‑Date 40228239
Rolex Day-Date 40

General

Status
In production
In production
In production
Introduced (differs)
2019
2015
Not known
Retail price
€36,900
€53,100
US$4,400

Case

Shape
Round
Round
Not known
Diameter
40 mm
40 mm
40 mm
Thickness (differs)
12 mm
12 mm
15.02 mm
Lug width (differs)
20 mm
21 mm
20 mm
Material (differs)
Everose gold
18k white gold
Stainless steel
Bezel (differs)
Bidirectional rotating
Fluted
Bidirectional rotating
Bezel insert
Cerachrom ceramic, Black
Not known
Not known
Caseback
Screw-down
Screw-down
Screw-down
Crystal (differs)
Sapphire
Sapphire
Sapphire, Domed, Anti-reflective on both sides
Cyclops
Yes
Yes
Not known
Crown (differs)
Screw-down
Screw-down
Push-pull
Water resistance
100 m
100 m
100 m

Movement

Type
Automatic
Automatic
Automatic
Origin
In-house
In-house
Not known
Power reserve (differs)
70 h
70 h
65 h
Frequency
28,800 vph (4 Hz)
28,800 vph (4 Hz)
28,800 vph (4 Hz)
Jewels (differs)
31
32
Not known
Certification
Superlative Chronometer
Superlative Chronometer
Not known
Functions (differs)
  • Centre hour, minute and seconds hands
  • Instantaneous date with rapid setting
  • Stop-seconds for precise time setting
  • Centre hour, minute and seconds hands
  • Instantaneous day and date in apertures, secure rapid-setting
  • Stop-seconds for exact time setting
Not known
Complications (differs)
  • Central seconds
  • Date
  • Hacking (stop) seconds
  • Central seconds
  • Date
  • Day
  • Day-date
  • Hacking (stop) seconds
  • Chronograph

Dial

Colour (differs)
Black
White
Black
Material
Brass
Brass
Not known
Pattern (differs)
Gloss
Gradient
Not known
Indices (differs)
Baton
Roman numerals
Not known
Hands (differs)
Mercedes
Baton
Not known
Lume
Chromalight
Chromalight
Not known

Bracelet

Type (differs)
Metal bracelet
Metal bracelet
Leather strap
Name (differs)
Oysterflex
President
Not known
Material
Not known
18k white gold
Not known
Clasp
Folding clasp
Folding clasp
Not known
Strap colour
Not known
Not known
Orange