Waxing crescent

Watch news and tools for
collectors and the curious.

Side by side

The watches side by side

Differs

BreitlingPremier B01 Chronograph 42AB0118221B1
Breitling Premier B01 Chronograph 42
Baume & MercierRiviera 10620M0A10620
Baume & Mercier Riviera 10620
BreitlingPremier B01 Chronograph 42AB0145371L1
Breitling Premier B01 Chronograph 42

General

Status
Not known
In production
In production
Introduced (differs)
2018
Not known
2023
Discontinued
Not known
Not known
2025
Retail price (differs)
US$10,200
US$2,990
US$10,150

Case

Shape (differs)
Round
Dodecagonal
Round
Diameter
42 mm
42 mm
42 mm
Thickness (differs)
13.65 mm
10.66 mm
13.6 mm
Lug width (differs)
22 mm
Not known
22.05 mm
Material
Stainless steel
Stainless steel
Stainless steel
Finish
Not known
Polished/satin-finished
Not known
Bezel
Fixed
Fixed
Fixed
Caseback (differs)
Display (sapphire)
Solid
Display (sapphire)
Crystal
Sapphire, Domed, Anti-reflective on both sides
Not known
Sapphire, Domed, Anti-reflective on both sides
Crown
Push-pull
Not known
Push-pull
Water resistance
100 m
100 m
100 m

Movement

Calibre
Breitling 01
Not known
Breitling 01
Type
Automatic
Automatic
Automatic
Origin
In-house
Not known
In-house
Power reserve (differs)
70 h
38 h
70 h
Frequency
28,800 vph (4 Hz)
28,800 vph (4 Hz)
28,800 vph (4 Hz)
Jewels (differs)
41
26
41
Functions (differs)
  • 1/4th second, 30 minutes
  • Dial aperture
  • Hours
  • Central second
  • Date
  • Minutes
  • 1/4th second, 30 minutes
  • Dial aperture
Complications (differs)
  • Chronograph
  • Date
  • Small seconds
  • Central seconds
  • Date
  • Chronograph
  • Date
  • Small seconds

Dial

Colour (differs)
Anthracite
Blue
Green
Pattern
Sunburst
Not known
Sunburst
Indices (differs)
Mixed
Not known
Arabic numerals
Hands (differs)
Baton
Dauphine
Syringe
Lume
Not known
Super-LumiNova
Not known

Bracelet

Type
Metal bracelet
Metal bracelet
Metal bracelet
Name
Polished/brushed stainless steel 7-row bracelet
Not known
Polished/brushed stainless steel 7-row bracelet
Material
Stainless steel
Stainless steel
Stainless steel
Clasp
Not known
Triple folding
Not known