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 Flyback TitaniumL3.821.1.53
Longines Spirit Flyback Titanium

General

Collection
Yacht-Master
Not known
Not known
Status
In production
In production
In production
Introduced
2023
2023
2023
Retail price
€15,750
US$9,750
US$5,500

Case

Shape
Round
Round
Round
Diameter
42 mm
42 mm
42 mm
Thickness (differs)
Not known
13.6 mm
17 mm
Lug to lug
Not known
Not known
49.5 mm
Lug width (differs)
21 mm
22.05 mm
22 mm
Material (differs)
Titanium
Stainless steel
Titanium
Bezel (differs)
Bidirectional rotating
Fixed
Bidirectional rotating
Bezel insert
Cerachrom ceramic, Black
Not known
Not known
Caseback (differs)
Screw-down
Display (sapphire)
Display (sapphire)
Crystal (differs)
Sapphire
Sapphire, Domed, Anti-reflective on both sides
Sapphire, Anti-reflective on both sides
Cyclops
Yes
Not known
Not known
Crown (differs)
Screw-down
Push-pull
Screw-down
Water resistance
100 m
100 m
100 m
Weight
Not known
Not known
124.7 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)
31
41
28
Certification (differs)
Superlative Chronometer
Not known
COSC
Functions (differs)
  • Centre hour, minute and seconds hands
  • Instantaneous date with rapid setting
  • Stop-seconds for precise time setting
  • 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)
  • Central seconds
  • Date
  • Hacking (stop) seconds
  • Chronograph
  • Date
  • Small seconds
  • Chronograph
  • Flyback chronograph
  • Small seconds

Dial

Colour (differs)
Black
Blue
Anthracite
Material
Brass
Not known
Not known
Pattern (differs)
Matte
Sunburst
Matte
Indices (differs)
Baton
Arabic numerals
Applied, Arabic numerals
Hands (differs)
Mercedes
Syringe
Baton
Lume (differs)
Chromalight
Not known
Super-LumiNova

Bracelet

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