Waxing crescent

Watch news and tools for
collectors and the curious.

Side by side

The watches side by side

General

Status
In production
In production
Introduced
2023
2023
Discontinued
Not known
2025
Retail price (differs)
US$9,750
US$10,150

Case

Shape
Round
Round
Diameter
42 mm
42 mm
Thickness
13.6 mm
13.6 mm
Lug width
22.05 mm
22.05 mm
Material
Stainless steel
Stainless steel
Bezel
Fixed
Fixed
Caseback
Display (sapphire)
Display (sapphire)
Crystal
Sapphire, Domed, Anti-reflective on both sides
Sapphire, Domed, Anti-reflective on both sides
Crown
Push-pull
Push-pull
Water resistance
100 m
100 m

Movement

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

Dial

Colour (differs)
Blue
Green
Pattern
Sunburst
Sunburst
Indices
Arabic numerals
Arabic numerals
Hands
Syringe
Syringe

Bracelet

Type (differs)
Leather strap
Metal bracelet
Name (differs)
Blue alligator leather strap
Polished/brushed stainless steel 7-row bracelet
Material
Not known
Stainless steel
Clasp
Folding clasp, Stainless steel
Not known
Strap colour
Blue
Not known
Breitling Premier B01 Chronograph 42 AB0145171C1 vs Breitling Premier B01 Chronograph 42 AB0145371L1 – dialtone