Waxing crescent

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collectors and the curious.

Side by side

The watches side by side

Differs

BreitlingPremier B01 Chronograph 42AB0118A61C1
Breitling Premier B01 Chronograph 42
RolexSky‑Dweller336239
Rolex Sky-Dweller
BreitlingPremier B01 Chronograph 42AB0145171C1
Breitling Premier B01 Chronograph 42

General

Collection
Not known
Sky-Dweller
Not known
Status
Not known
In production
In production
Introduced (differs)
2018
2023
2023
Retail price
US$10,200
€52,350
US$9,750

Case

Shape
Round
Round
Round
Diameter
42 mm
42 mm
42 mm
Thickness (differs)
13.65 mm
14.1 mm
13.6 mm
Lug width (differs)
22 mm
22 mm
22.05 mm
Material (differs)
Stainless steel
18k white gold
Stainless steel
Bezel (differs)
Fixed
Bidirectional rotating
Fixed
Caseback (differs)
Display (sapphire)
Screw-down
Display (sapphire)
Crystal (differs)
Sapphire, Domed, Anti-reflective on both sides
Sapphire
Sapphire, Domed, Anti-reflective on both sides
Cyclops
Not known
Yes
Not known
Crown (differs)
Push-pull
Screw-down
Push-pull
Water resistance
100 m
100 m
100 m

Movement

Type
Automatic
Automatic
Automatic
Origin
In-house
In-house
In-house
Power reserve (differs)
70 h
80 h
70 h
Frequency
28,800 vph (4 Hz)
28,800 vph (4 Hz)
28,800 vph (4 Hz)
Jewels (differs)
41
40
41
Certification
Not known
Superlative Chronometer
Not known
Functions (differs)
  • 1/4th second, 30 minutes
  • Dial aperture
  • Centre hour, minute and seconds hands
  • 24-hour display on off-centre disc
  • Second time zone
  • Instantaneous annual calendar at 3 o'clock and rapid-setting of the date
  • Month display via 12 apertures around the circumference of the dial
  • Stop-seconds for precise time setting
  • 1/4th second, 30 minutes
  • Dial aperture
Complications (differs)
  • Chronograph
  • Date
  • Small seconds
  • Annual calendar
  • Central seconds
  • Date
  • GMT / second time zone
  • Hacking (stop) seconds
  • Month
  • Chronograph
  • Date
  • Small seconds

Dial

Colour (differs)
Blue
Bright black
Blue
Material
Not known
Brass
Not known
Pattern
Sunburst
Sunburst
Sunburst
Indices (differs)
Mixed
Baton
Arabic numerals
Hands (differs)
Baton
Baton
Syringe
Lume
Not known
Chromalight
Not known

Bracelet

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