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
LonginesSpirit Zulu TimeL3.812.4.53
Longines Spirit Zulu Time

General

Status
In production
Not known
In production
Introduced (differs)
2023
2019
2022
Discontinued
2025
Not known
Not known
Retail price (differs)
US$9,750
US$9,300
US$3,450

Case

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

Movement

Type
Automatic
Automatic
Automatic
Origin
In-house
In-house
Not known
Power reserve (differs)
70 h
70 h
72 h
Frequency (differs)
28,800 vph (4 Hz)
28,800 vph (4 Hz)
25,200 vph (3.5 Hz)
Jewels (differs)
41
47
21
Certification
Not known
Not known
COSC
Functions (differs)
  • 1/4th second, 30 minutes
  • Dial aperture
  • 1/4th second, 30 minutes, 12 hours
  • Dial aperture
  • Hours, minutes, seconds and date. 24 hours hand with time zone mechanism
Complications (differs)
  • Chronograph
  • Date
  • Small seconds
  • Chronograph
  • Date
  • Small seconds
  • Date
  • GMT / second time zone

Dial

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

Bracelet

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