Waxing crescent

Watch news and tools for
collectors and the curious.

Side by side

The watches side by side

Differs

Tudor1926 Luna91560
Tudor 1926 Luna
Universal GenèveCompaxUGCO002
Universal Genève Compax
RolexAir‑King126900
Rolex Air-King

General

Collection (differs)
1926
Not known
Air-King
Status
In production
In production
In production
Introduced (differs)
2025
2026
2022
Retail price
€2,770
US$19,550
€8,000

Case

Shape
Round
Round
Round
Diameter (differs)
39 mm
39.5 mm
40 mm
Thickness (differs)
10.1 mm
12.45 mm
Not known
Lug to lug
Not known
47.8 mm
Not known
Lug width (differs)
21 mm
19 mm
21 mm
Material (differs)
Stainless steel
Stainless steel
Oystersteel
Finish
Polished finish
Not known
Not known
Bezel (differs)
Smooth
Tachymeter
Smooth
Bezel material
Stainless steel
Stainless steel
Not known
Bezel insert
Not known
Ceramic
Not known
Caseback (differs)
Solid
Display (sapphire)
Screw-down
Crystal (differs)
Sapphire
Sapphire, Domed, Anti-reflective on both sides
Sapphire
Cyclops
Not known
Not known
No
Crown (differs)
Screw-down
Push-pull
Screw-down
Water resistance
100 m
100 m
100 m

Movement

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

Dial

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

Bracelet

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