Waxing crescent

Watch news and tools for
collectors and the curious.

Side by side

The watches side by side

Differs

RolexAir‑King126900
Rolex Air-King
Nivada GrenchenSUPER ANTARCTIC YELLOW - 38mm32024A17
Nivada Grenchen SUPER ANTARCTIC YELLOW - 38mm
Universal GenèveCompaxUGCO002
Universal Genève Compax

General

Collection
Air-King
Not known
Not known
Status
In production
In production
In production
Introduced (differs)
2022
Not known
2026
Retail price
€8,000
€985
US$19,550

Case

Shape
Round
Round
Round
Diameter (differs)
40 mm
38 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
Stainless steel
Stainless steel
Bezel (differs)
Smooth
Not known
Tachymeter
Bezel material
Not known
Not known
Stainless steel
Bezel insert
Not known
Not known
Ceramic
Caseback (differs)
Screw-down
Solid
Display (sapphire)
Crystal (differs)
Sapphire
Sapphire
Sapphire, Domed, Anti-reflective on both sides
Cyclops
No
Not known
Not known
Crown (differs)
Screw-down
Not known
Push-pull
Water resistance
100 m
100 m
100 m

Movement

Type
Automatic
Automatic
Automatic
Origin
In-house
Not known
In-house
Power reserve (differs)
70 h
42 h
72 h
Frequency
28,800 vph (4 Hz)
28,800 vph (4 Hz)
28,800 vph (4 Hz)
Jewels (differs)
31
25
36
Certification
Superlative Chronometer
Not known
Not known
Functions (differs)
  • Centre hour, minute and seconds hands
  • Stop-seconds for precise time setting
  • Hours
  • Minutes
  • Seconds
  • Hour
  • Minute
  • Second
  • Chronograph
Complications (differs)
  • Central seconds
  • Hacking (stop) seconds
Not known
  • Chronograph

Dial

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

Bracelet

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