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Side by side

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
2024
2023
Discontinued
2025
Not known
Not known
Retail price (differs)
US$9,750
US$5,650
US$9,750

Case

Shape
Round
Round
Round
Diameter (differs)
42 mm
43 mm
42 mm
Thickness (differs)
13.6 mm
13.3 mm
13.6 mm
Lug to lug
Not known
51.4 mm
Not known
Lug width (differs)
22.05 mm
22 mm
22.05 mm
Material (differs)
Stainless steel
Titanium
Stainless steel
Bezel (differs)
Fixed
Bidirectional rotating
Fixed
Caseback (differs)
Display (sapphire)
Solid
Display (sapphire)
Crystal (differs)
Sapphire, Domed, Anti-reflective on both sides
Sapphire, Anti-reflective on both sides
Sapphire, Domed, Anti-reflective on both sides
Crown (differs)
Push-pull
Screw-down
Push-pull
Water resistance
100 m
100 m
100 m
Weight
Not known
78.7 g
Not known

Movement

Type
Automatic
Automatic
Automatic
Origin
In-house
Not known
In-house
Power reserve (differs)
70 h
72 h
70 h
Frequency (differs)
28,800 vph (4 Hz)
25,200 vph (3.5 Hz)
28,800 vph (4 Hz)
Jewels (differs)
41
21
41
Certification
Not known
COSC
Not known
Functions (differs)
  • 1/4th second, 30 minutes
  • Dial aperture
  • Hours, minutes, small seconds at 6 o'clock
  • 1/4th second, 30 minutes
  • Dial aperture
Complications (differs)
  • Chronograph
  • Date
  • Small seconds
  • Small seconds
  • Chronograph
  • Date
  • Small seconds

Dial

Colour (differs)
Black
Black matte
Blue
Pattern (differs)
Sunburst
Matte
Sunburst
Indices
Arabic numerals
Arabic numerals
Arabic numerals
Hands (differs)
Syringe
Baton
Syringe
Lume
Not known
Super-LumiNova
Not known

Bracelet

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