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The watches side by side

Differs

BreitlingPremier B01 Chronograph 42AB0145221B1
Breitling Premier B01 Chronograph 42
BreitlingPremier B01 Chronograph 42AB0145171C1
Breitling Premier B01 Chronograph 42

General

Status
In production
In production
In production
Introduced (differs)
2023
2015
2023
Discontinued
2025
Not known
Not known
Retail price
US$9,750
Not known
US$9,750

Case

Shape
Round
Round
Round
Diameter (differs)
42 mm
43 mm
42 mm
Thickness (differs)
13.6 mm
11.43 mm
13.6 mm
Lug width (differs)
22.05 mm
21 mm
22.05 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
Automatic
Automatic
Automatic
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
40
41
Certification
Not known
COSC
Not known
Functions (differs)
  • 1/4th second, 30 minutes
  • Dial aperture
  • Date
  • Hours and minutes
  • Power-reserve indicator
  • Seconds
  • Stop seconds
  • 1/4th second, 30 minutes
  • Dial aperture
Complications (differs)
  • Chronograph
  • Date
  • Small seconds
  • Date
  • Hacking (stop) seconds
  • Power reserve indicator
  • Chronograph
  • Date
  • Small seconds

Dial

Colour (differs)
Black
Black
Blue
Pattern (differs)
Sunburst
Gloss
Sunburst
Indices (differs)
Arabic numerals
Mixed
Arabic numerals
Hands (differs)
Syringe
Baton
Syringe

Bracelet

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