Waxing crescent

Watch news and tools for
collectors and the curious.

Side by side

The watches side by side

Differs

BreitlingPremier B01 Chronograph 42AB0145171C1
Breitling Premier B01 Chronograph 42
LonginesSpirit Zulu TimeL3.812.4.53
Longines Spirit Zulu Time
BreitlingPremier B01 Chronograph 42AB0118A61C1
Breitling Premier B01 Chronograph 42

General

Status
In production
In production
Not known
Introduced (differs)
2023
2022
2018
Retail price (differs)
US$9,750
US$3,450
US$10,200

Case

Shape
Round
Round
Round
Diameter
42 mm
42 mm
42 mm
Thickness (differs)
13.6 mm
14.1 mm
13.65 mm
Lug to lug
Not known
49.4 mm
Not known
Lug width (differs)
22.05 mm
22 mm
22 mm
Material
Stainless steel
Stainless steel
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
112.9 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, seconds and date. 24 hours hand with time zone mechanism
  • 1/4th second, 30 minutes
  • Dial aperture
Complications (differs)
  • Chronograph
  • Date
  • Small seconds
  • Date
  • GMT / second time zone
  • Chronograph
  • Date
  • Small seconds

Dial

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

Bracelet

Type (differs)
Leather strap
Leather strap
Metal bracelet
Name (differs)
Blue alligator leather strap
Not known
Polished/brushed stainless steel 7-row bracelet
Material
Not known
Stainless steel
Stainless steel
Clasp (differs)
Folding clasp, Stainless steel
Folding clasp
Not known
Strap colour (differs)
Blue
Brown
Not known