Waxing crescent

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collectors and the curious.

Side by side

The watches side by side

Differs

BreitlingPremier B01 Chronograph 42AB0145171C1
Breitling Premier B01 Chronograph 42
LonginesSpirit FlybackL3.821.4.53
Longines Spirit Flyback
LonginesSpirit Zulu TimeL3.812.4.93
Longines Spirit Zulu Time

General

Status
In production
In production
In production
Introduced (differs)
2023
2023
2022
Retail price (differs)
US$9,750
US$5,000
US$3,450

Case

Shape
Round
Round
Round
Diameter
42 mm
42 mm
42 mm
Thickness (differs)
13.6 mm
17 mm
14.1 mm
Lug to lug (differs)
Not known
49.5 mm
49.4 mm
Lug width (differs)
22.05 mm
22 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, 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 (differs)
Not known
127.7 g
113.2 g

Movement

Type
Automatic
Automatic
Automatic
Origin
In-house
Not known
Not known
Power reserve (differs)
70 h
68 h
72 h
Frequency (differs)
28,800 vph (4 Hz)
28,800 vph (4 Hz)
25,200 vph (3.5 Hz)
Jewels (differs)
41
28
21
Certification
Not known
COSC
COSC
Functions (differs)
  • 1/4th second, 30 minutes
  • Dial aperture
  • Hours, minutes, small seconds at 9 o'clock
  • Chronograph mechanism: central 60 seconds hand and 30 minutes counter at 3 o'clock
  • Hours, minutes, seconds and date. 24 hours hand with time zone mechanism
Complications (differs)
  • Chronograph
  • Date
  • Small seconds
  • Chronograph
  • Flyback chronograph
  • Small seconds
  • Date
  • GMT / second time zone

Dial

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

Bracelet

Type
Leather strap
Leather strap
Leather strap
Name
Blue alligator leather strap
Not known
Not known
Material
Not known
Stainless steel
Stainless steel
Clasp (differs)
Folding clasp, Stainless steel
Folding clasp
Folding clasp
Strap colour (differs)
Blue
Brown
Blue