Waxing crescent

Watch news and tools for
collectors and the curious.

Side by side

The watches side by side

Differs

NOMOS GlashütteAhoi550
NOMOS Glashütte Ahoi
NOMOS GlashütteClub automatic date775
NOMOS Glashütte Club automatic date

General

Status
Not known
Not known
Limited edition
Introduced (differs)
2013
2017
2025
Retail price
Not known
Not known
US$6,700

Case

Shape
Round
Round
Round
Diameter (differs)
40.3 mm
41.5 mm
40 mm
Thickness (differs)
10.6 mm
9.8 mm
11.77 mm
Lug to lug (differs)
51 mm
53 mm
Not known
Lug width
20 mm
20 mm
20 mm
Material
Stainless steel
Stainless steel
Stainless steel
Bezel
Not known
Not known
Unidirectional rotating
Caseback (differs)
Display (sapphire)
Display (sapphire)
Screw-down
Crystal (differs)
Sapphire, Domed
Sapphire, Domed
Sapphire, Domed, Anti-reflective on both sides
Crown
Screw-down
Not known
Screw-down
Water resistance
200 m
200 m
200 m

Movement

Type
Automatic
Automatic
Automatic
Origin
In-house
In-house
Not known
Power reserve (differs)
43 h
42 h
42 h
Frequency (differs)
21,600 vph (3 Hz)
21,600 vph (3 Hz)
28,800 vph (4 Hz)
Jewels (differs)
26
26
21
Functions (differs)
  • Hours
  • Minutes
  • Small seconds
  • Date
  • Hours
  • Minutes
  • Small seconds
  • Dial aperture
Complications (differs)
  • Small seconds
  • Date
  • Small seconds
  • Date
  • GMT / second time zone

Dial

Colour (differs)
White silver
White
Blue
Pattern
Not known
Not known
Sunburst
Indices
Mixed
Mixed
Mixed
Hands
Baton
Baton
Baton
Lume
Super-LumiNova
Super-LumiNova
Not known

Bracelet

Type (differs)
Textile strap
Textile strap
Metal bracelet
Name (differs)
Textile strap blue-black
Textile strap blue-black
Polished/brushed stainless steel Rouleaux bracelet
Material
Not known
Not known
Stainless steel
Clasp
Butterfly, Stainless steel
Not known
Not known
Strap colour
Blue
Blue
Not known