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
RolexGMT‑Master II126710BLNR
Rolex GMT-Master II

General

Status
In production
In production
In production
Introduced (differs)
2015
2019
2025
Nickname
Not known
Batman
Not known
Retail price (differs)
€53,100
€11,550
€16,100

Case

Shape
Round
Round
Round
Diameter
40 mm
40 mm
40 mm
Thickness
12 mm
Not known
Not known
Lug width (differs)
21 mm
20 mm
25 mm
Material (differs)
18k white gold
Oystersteel
Rolesor (steel and gold)
Bezel (differs)
Fluted
Bidirectional rotating
Fluted
Bezel insert
Not known
Cerachrom ceramic, Blue/black
Not known
Caseback
Screw-down
Screw-down
Screw-down
Crystal
Sapphire
Sapphire
Sapphire
Cyclops
Yes
Yes
Yes
Crown
Screw-down
Screw-down
Screw-down
Water resistance
100 m
100 m
100 m

Movement

Type
Automatic
Automatic
Automatic
Origin
In-house
In-house
In-house
Power reserve (differs)
70 h
70 h
67 h
Frequency (differs)
28,800 vph (4 Hz)
28,800 vph (4 Hz)
36,000 vph (5 Hz)
Jewels (differs)
32
34
39
Certification
Superlative Chronometer
Superlative Chronometer
Superlative Chronometer
Functions (differs)
  • Centre hour, minute and seconds hands
  • Instantaneous day and date in apertures, secure rapid-setting
  • Stop-seconds for exact time setting
  • Centre hour, minute and seconds hands
  • 24-hour display
  • Second time zone with independent rapid-setting of the hour hand
  • Instantaneous date
  • Stop-seconds for precise time setting
  • Centre hour, minute and seconds hands
  • Instantaneous date with rapid setting
  • Stop-seconds for precise time setting
Complications (differs)
  • Central seconds
  • Date
  • Day
  • Day-date
  • Hacking (stop) seconds
  • Central seconds
  • Date
  • GMT / second time zone
  • Hacking (stop) seconds
  • Central seconds
  • Date
  • Hacking (stop) seconds

Dial

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

Bracelet

Type
Metal bracelet
Metal bracelet
Metal bracelet
Name (differs)
President
Oyster
Flat Jubilee
Material (differs)
18k white gold
Oystersteel
Oystersteel
Clasp
Folding clasp
Folding clasp
Folding clasp