Waxing crescent

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collectors and the curious.

Side by side

The watches side by side

Differs

RolexAir‑King126900
Rolex Air-King
Universal GenèveCompaxUGCO002
Universal Genève Compax

General

Collection (differs)
Air-King
Yacht-Master
Not known
Status
In production
In production
In production
Introduced (differs)
2022
2019
2026
Retail price
€8,000
€36,900
US$19,550

Case

Shape
Round
Round
Round
Diameter (differs)
40 mm
40 mm
39.5 mm
Thickness (differs)
Not known
12 mm
12.45 mm
Lug to lug
Not known
Not known
47.8 mm
Lug width (differs)
21 mm
20 mm
19 mm
Material (differs)
Oystersteel
Everose gold
Stainless steel
Bezel (differs)
Smooth
Bidirectional rotating
Tachymeter
Bezel material
Not known
Not known
Stainless steel
Bezel insert (differs)
Not known
Cerachrom ceramic, Black
Ceramic
Caseback (differs)
Screw-down
Screw-down
Display (sapphire)
Crystal (differs)
Sapphire
Sapphire
Sapphire, Domed, Anti-reflective on both sides
Cyclops (differs)
No
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
In-house
Power reserve (differs)
70 h
70 h
72 h
Frequency
28,800 vph (4 Hz)
28,800 vph (4 Hz)
28,800 vph (4 Hz)
Jewels (differs)
31
31
36
Certification
Superlative Chronometer
Superlative Chronometer
Not known
Functions (differs)
  • Centre hour, minute and seconds hands
  • Stop-seconds for precise time setting
  • Centre hour, minute and seconds hands
  • Instantaneous date with rapid setting
  • Stop-seconds for precise time setting
  • Hour
  • Minute
  • Second
  • Chronograph
Complications (differs)
  • Central seconds
  • Hacking (stop) seconds
  • Central seconds
  • Date
  • Hacking (stop) seconds
  • Chronograph

Dial

Colour
Black
Black
Black
Material (differs)
Brass
Brass
Lacquer
Pattern
Not known
Gloss
Gloss
Indices (differs)
Arabic numerals
Baton
Mixed
Hands (differs)
Baton
Mercedes
Not known
Lume (differs)
Chromalight
Chromalight
Super-LumiNova

Bracelet

Type
Metal bracelet
Metal bracelet
Metal bracelet
Name (differs)
Oyster
Oysterflex
Not known
Material (differs)
Oystersteel
Not known
Stainless steel
Clasp (differs)
Folding clasp
Folding clasp
Butterfly