Waxing crescent

Watch news and tools for
collectors and the curious.

Side by side

The watches side by side

General

Status
In production
In production
Introduced (differs)
2026
2025
Retail price (differs)
US$25,000
US$22,700

Case

Shape
Round
Round
Diameter
42 mm
42 mm
Thickness
11.5 mm
11.5 mm
Lug width
14 mm
14 mm
Material
Ceramic
Ceramic
Caseback
Display (sapphire)
Display (sapphire)
Crystal
Sapphire, Domed, Anti-reflective on both sides
Sapphire, Domed, Anti-reflective on both sides
Water resistance
100 m
100 m

Movement

Type
Automatic
Automatic
Power reserve
60 h
60 h
Frequency
28,800 vph (4 Hz)
28,800 vph (4 Hz)
Jewels
22
22
Functions
  • Central hacking seconds
  • Date display
  • Central hacking seconds
  • Date display
Complications
  • Central seconds
  • Date
  • Hacking (stop) seconds
  • Central seconds
  • Date
  • Hacking (stop) seconds

Dial

Colour (differs)
Green
Black
Pattern
Guilloché
Guilloché
Indices
Mixed
Mixed
Hands
Baton
Baton

Bracelet

Type
Metal bracelet
Metal bracelet
Material
Ceramic
Ceramic
IWC Schaffhausen Ingenieur Automatic 42 IW338902 vs IWC Schaffhausen Ingenieur Automatic 42 IW338903 – dialtone