Waxing crescent

Watch news and tools for
collectors and the curious.

Side by side

The watches side by side

Differs

BreitlingPremier B01 Chronograph 42AB0145221B1
Breitling Premier B01 Chronograph 42
BreitlingAviator 8 B01 Chronograph 43AB0119131B1
Breitling Aviator 8 B01 Chronograph 43

General

Status
In production
Not known
Not known
Introduced (differs)
2023
2019
2018
Discontinued
2025
Not known
Not known
Retail price (differs)
US$9,750
US$9,300
US$9,850

Case

Shape
Round
Round
Round
Diameter (differs)
42 mm
43 mm
42 mm
Thickness (differs)
13.6 mm
13.97 mm
13.65 mm
Lug width (differs)
22.05 mm
23 mm
22 mm
Material
Stainless steel
Stainless steel
Stainless steel
Bezel (differs)
Fixed
Bidirectional rotating
Fixed
Caseback
Display (sapphire)
Display (sapphire)
Display (sapphire)
Crystal
Sapphire, Domed, Anti-reflective on both sides
Sapphire, Domed, 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

Movement

Type
Automatic
Automatic
Automatic
Origin
In-house
In-house
In-house
Power reserve
70 h
70 h
70 h
Frequency
28,800 vph (4 Hz)
28,800 vph (4 Hz)
28,800 vph (4 Hz)
Jewels (differs)
41
47
41
Functions (differs)
  • 1/4th second, 30 minutes
  • Dial aperture
  • 1/4th second, 30 minutes, 12 hours
  • Dial aperture
  • 1/4th second, 30 minutes
  • Dial aperture
Complications
  • Chronograph
  • Date
  • Small seconds
  • Chronograph
  • Date
  • Small seconds
  • Chronograph
  • Date
  • Small seconds

Dial

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

Bracelet

Type (differs)
Leather strap
Metal bracelet
Leather strap
Name (differs)
Black alligator leather strap
Brushed stainless steel 3-row bracelet
Brown Orlando calfskin leather strap
Material
Not known
Stainless steel
Not known
Clasp
Folding clasp, Stainless steel
Not known
Folding clasp, Stainless steel
Strap colour (differs)
Black
Not known
Brown