Waxing crescent

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collectors and the curious.

Side by side

The watches side by side

Differs

BreitlingPremier B01 Chronograph 42AB0145171C1
Breitling Premier B01 Chronograph 42
ChopardMille Miglia GTS Automatic168565-3001
Chopard Mille Miglia GTS Automatic
BreitlingPremier B15 Duograph 42AB1510171C1
Breitling Premier B15 Duograph 42

General

Status
In production
In production
In production
Introduced (differs)
2023
2015
2021
Retail price (differs)
US$9,750
Not known
US$12,450

Case

Shape
Round
Round
Round
Diameter (differs)
42 mm
43 mm
42 mm
Thickness (differs)
13.6 mm
11.43 mm
15.35 mm
Lug width (differs)
22.05 mm
Not known
22 mm
Material
Stainless steel
Stainless steel
Stainless steel
Bezel (differs)
Fixed
Unidirectional rotating
Fixed
Caseback
Display (sapphire)
Display (sapphire)
Display (sapphire)
Crystal (differs)
Sapphire, Domed, Anti-reflective on both sides
Sapphire
Sapphire, Domed, Anti-reflective on both sides
Crown (differs)
Push-pull
Screw-down
Push-pull
Water resistance
100 m
100 m
100 m

Movement

Type (differs)
Automatic
Automatic
Manual winding
Origin
In-house
In-house
In-house
Power reserve (differs)
70 h
60 h
70 h
Frequency
28,800 vph (4 Hz)
28,800 vph (4 Hz)
28,800 vph (4 Hz)
Jewels (differs)
41
31
27
Certification
Not known
COSC
Not known
Functions (differs)
  • 1/4th second, 30 minutes
  • Dial aperture
  • Date
  • Hours and minutes
  • Seconds
  • Stop seconds
  • 1/4th second, 30 minutes
Complications (differs)
  • Chronograph
  • Date
  • Small seconds
  • Date
  • Hacking (stop) seconds
  • Chronograph
  • Small seconds
  • Split-seconds (rattrapante) chronograph

Dial

Colour (differs)
Blue
Black
Blue
Pattern
Sunburst
Not known
Sunburst
Indices (differs)
Arabic numerals
Mixed
Arabic numerals
Hands (differs)
Syringe
Baton
Syringe

Bracelet

Type (differs)
Leather strap
Rubber strap
Leather strap
Name (differs)
Blue alligator leather strap
Not known
Gold brown alligator leather strap
Clasp
Folding clasp, Stainless steel
Folding clasp, Stainless steel
Folding clasp, Stainless steel
Strap colour (differs)
Blue
Black
Gold brown