Waxing crescent

Watch news and tools for
collectors and the curious.

Side by side

The watches side by side

Differs

IWC SchaffhausenPortofino Chronograph 39IW391502
IWC Schaffhausen Portofino Chronograph 39
IWC SchaffhausenPortofino Chronograph 39IW391503
IWC Schaffhausen Portofino Chronograph 39
NOMOS GlashütteTangente neomatik 38 Update147
NOMOS Glashütte Tangente neomatik 38 Update

General

Collection
Portofino
Portofino
Not known
Status
In production
In production
Not known
Introduced (differs)
2022
2024
2026
Retail price (differs)
US$7,900
US$8,900
Not known

Case

Shape
Round
Round
Round
Diameter (differs)
39 mm
39 mm
38.5 mm
Thickness (differs)
13 mm
13 mm
7.4 mm
Lug to lug
Not known
Not known
47.3 mm
Lug width (differs)
18 mm
20 mm
19 mm
Material
Stainless steel
Stainless steel
Stainless steel
Caseback
Display (sapphire)
Display (sapphire)
Display (sapphire)
Crystal (differs)
Sapphire, Domed, Anti-reflective on both sides
Sapphire, Domed, Anti-reflective on both sides
Sapphire
Water resistance
50 m
50 m
50 m

Movement

Type
Automatic
Automatic
Automatic
Origin
In-house
In-house
In-house
Power reserve (differs)
46 h
46 h
50 h
Frequency (differs)
28,800 vph (4 Hz)
28,800 vph (4 Hz)
21,600 vph (3 Hz)
Jewels (differs)
27
27
42
Functions (differs)
  • Chronograph function with minutes and seconds
  • Central hacking seconds
  • Central hacking seconds
  • Chronograph function with hours, minutes and seconds
  • Date
  • Hours
  • Minutes
  • Small seconds
Complications (differs)
  • Central seconds
  • Chronograph
  • Hacking (stop) seconds
  • Small seconds
  • Central seconds
  • Chronograph
  • Hacking (stop) seconds
  • Small seconds
  • Date
  • Small seconds

Dial

Colour (differs)
White
White
White silver
Pattern
Matte
Matte
Matte
Indices
Mixed
Mixed
Mixed
Hands (differs)
Leaf
Leaf
Baton

Bracelet

Type (differs)
Leather strap
Metal bracelet
Leather strap
Name
Not known
Not known
Horween Genuine Shell Cordovan black
Material
Not known
Stainless steel
Not known
Clasp
Not known
Not known
Butterfly, Stainless steel
Strap colour (differs)
Cream
Not known
Black