Waxing crescent

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Side by side

The watches side by side

General

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

Case

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

Movement

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

Dial

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

Bracelet

Type
Leather strap
Leather strap
Name
Not known
Horween Genuine Shell Cordovan black
Clasp
Not known
Butterfly, Stainless steel
Strap colour (differs)
Cream
Black
IWC Schaffhausen Portofino Chronograph 39 IW391502 vs NOMOS Glashütte Tangente neomatik 38 Update 147 SB – dialtone