Waxing crescent

Watch news and tools for
collectors and the curious.

Side by side

The watches side by side

Differs

Jaeger-LeCoultreMaster Ultra Thin MoonQ1248421
Jaeger-LeCoultre Master Ultra Thin Moon
Jaeger-LeCoultreMaster Ultra Thin MoonQ1248420
Jaeger-LeCoultre Master Ultra Thin Moon
Jaeger-LeCoultreMaster Control ClassicQ4008520
Jaeger-LeCoultre Master Control Classic

General

Status
In production
In production
In production
Introduced (differs)
2024
2021
Not known
Discontinued
Not known
2023
Not known
Retail price (differs)
US$10,200
Not known
US$8,950

Case

Shape
Round
Round
Round
Diameter
36 mm
36 mm
36 mm
Thickness (differs)
9.34 mm
9.4 mm
8.15 mm
Lug width (differs)
17 mm
17 mm
18 mm
Material
Stainless steel
Stainless steel
Stainless steel
Caseback
Display (sapphire)
Display (sapphire)
Not known
Crystal
Sapphire
Sapphire
Not known
Water resistance
50 m
50 m
50 m

Movement

Type
Automatic
Automatic
Automatic
Origin
In-house
In-house
In-house
Power reserve
70 h
70 h
70 h
Frequency
28,800 vph (4 Hz)
28,800 vph (4 Hz)
28,800 vph (4 Hz)
Jewels (differs)
30
30
32
Functions (differs)
  • Date
  • Hour - minute
  • Moon phase
  • Seconds
  • Date
  • Seconds
  • Moon phase
  • Hour - minute
  • Hour - minute
  • Date
  • Seconds
Complications (differs)
  • Date
  • Moon phase
  • Date
  • Moon phase
  • Date

Dial

Colour
Silver grey
Silver grey
Silver grey
Pattern
Sunburst
Sunburst
Sunburst
Indices
Baton
Baton
Not known
Hands (differs)
Dauphine
Baton
Not known

Bracelet

Type
Leather strap
Leather strap
Not known
Clasp (differs)
Butterfly, Stainless steel
Butterfly, Stainless steel
Pin buckle, Stainless steel
Strap colour (differs)
Black
Blue
Light-brown