Waxing crescent

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collectors and the curious.

Side by side

The watches side by side

Differs

BreitlingPremier B01 Chronograph 42AB0145221B1
Breitling Premier B01 Chronograph 42
BreitlingPremier B01 Chronograph 42AB0145171C1
Breitling Premier B01 Chronograph 42
LonginesSpirit FlybackL3.821.4.53
Longines Spirit Flyback

General

Status
In production
In production
In production
Introduced
2023
2023
2023
Discontinued
2025
Not known
Not known
Retail price (differs)
US$9,750
US$9,750
US$5,000

Case

Shape
Round
Round
Round
Diameter
42 mm
42 mm
42 mm
Thickness (differs)
13.6 mm
13.6 mm
17 mm
Lug to lug
Not known
Not known
49.5 mm
Lug width (differs)
22.05 mm
22.05 mm
22 mm
Material
Stainless steel
Stainless steel
Stainless steel
Bezel (differs)
Fixed
Fixed
Bidirectional rotating
Caseback
Display (sapphire)
Display (sapphire)
Display (sapphire)
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
Push-pull
Screw-down
Water resistance
100 m
100 m
100 m
Weight
Not known
Not known
127.7 g

Movement

Type
Automatic
Automatic
Automatic
Origin
In-house
In-house
Not known
Power reserve (differs)
70 h
70 h
68 h
Frequency
28,800 vph (4 Hz)
28,800 vph (4 Hz)
28,800 vph (4 Hz)
Jewels (differs)
41
41
28
Certification
Not known
Not known
COSC
Functions (differs)
  • 1/4th second, 30 minutes
  • Dial aperture
  • 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
Complications (differs)
  • Chronograph
  • Date
  • Small seconds
  • Chronograph
  • Date
  • Small seconds
  • Chronograph
  • Flyback chronograph
  • Small seconds

Dial

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

Bracelet

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