Side by side

Differs

Breitling Premier B01 Chronograph 42AB0145171C1

Breitling Premier B01 Chronograph 42

Breitling Premier B15 Duograph 42AB1510171C1

Breitling Premier B15 Duograph 42

General

Status: In production; In production
Introduced (differs): 2023; 2021
Retail price (differs): US$9,750; US$12,450

Case

Shape: Round; Round
Diameter: 42 mm; 42 mm
Thickness (differs): 13.6 mm; 15.35 mm
Lug width (differs): 22.05 mm; 22 mm
Material: Stainless steel; Stainless steel
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 (differs): Breitling 01; Breitling B15
Type (differs): Automatic; Manual winding
Origin: In-house; In-house
Power reserve: 70 h; 70 h
Frequency: 28,800 vph (4 Hz); 28,800 vph (4 Hz)
Jewels (differs): 41; 27
Functions (differs): 1/4th second, 30 minutes
Dial aperture; 1/4th second, 30 minutes
Complications (differs): Chronograph
Date
Small seconds; Chronograph
Small seconds
Split-seconds (rattrapante) chronograph

Dial

Colour: Blue; Blue
Pattern: Sunburst; Sunburst
Indices: Arabic numerals; Arabic numerals
Hands: Syringe; Syringe

Bracelet

Type: Leather strap; Leather strap
Name (differs): Blue alligator leather strap; Gold brown alligator leather strap
Clasp: Folding clasp, Stainless steel; Folding clasp, Stainless steel
Strap colour (differs): Blue; Gold brown