Side by side

Differs

Breitling Premier B01 Chronograph 42RB0118371G1

Breitling Premier B01 Chronograph 42

Breitling Premier B01 Chronograph 42RB0145171C1

Breitling Premier B01 Chronograph 42

General

Status (differs): Limited edition; In production
Introduced (differs): 2020; 2025
Retail price (differs): US$29,050; US$28,900

Case

Shape: Round; Round
Diameter: 42 mm; 42 mm
Thickness (differs): 13.65 mm; 13.6 mm
Lug width: 22 mm; 22 mm
Material: 18k rose gold; 18k rose gold
Bezel: Fixed; Fixed
Caseback: Display (sapphire); Display (sapphire)
Crystal: Sapphire, Domed, Anti-reflective on both sides; Sapphire, Domed, Anti-reflective on both sides
Crown: Push-pull; Push-pull
Water resistance: 100 m; 100 m

Movement

Calibre: Breitling 01; Breitling 01
Type: Automatic; Automatic
Origin: In-house; In-house
Power reserve: 70 h; 70 h
Frequency: 28,800 vph (4 Hz); 28,800 vph (4 Hz)
Jewels (differs): 28; 41
Functions (differs): 1/4th second, 30 minutes
Dial aperture; 1/4 second, 30 minutes
Dial aperture
Complications: Chronograph
Date
Small seconds; Chronograph
Date
Small seconds

Dial

Colour (differs): Cream; Blue
Pattern: Not known; Sunburst
Indices (differs): Mixed; Arabic numerals
Hands (differs): Baton; Syringe

Bracelet

Type: Leather strap; Leather strap
Name (differs): Brown alligator leather strap; Gold brown alligator leather strap
Clasp: Folding clasp, 18k rose gold; Folding clasp, 18k rose gold
Strap colour (differs): Brown; Gold brown