Side by side

Differs

Breitling Premier B15 Duograph 42AB1510171C1

Breitling Premier B15 Duograph 42

Breitling Premier B01 Chronograph 42AB0118A61C1

Breitling Premier B01 Chronograph 42

General

Status: In production; Not known
Introduced (differs): 2021; 2018
Retail price (differs): US$12,450; US$10,200

Case

Shape: Round; Round
Diameter: 42 mm; 42 mm
Thickness (differs): 15.35 mm; 13.65 mm
Lug width: 22 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 B15; Breitling 01
Type (differs): Manual winding; 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): 27; 41
Functions (differs): 1/4th second, 30 minutes; 1/4th second, 30 minutes
Dial aperture
Complications (differs): Chronograph
Small seconds
Split-seconds (rattrapante) chronograph; Chronograph
Date
Small seconds

Dial

Colour: Blue; Blue
Pattern: Sunburst; Sunburst
Indices (differs): Arabic numerals; Mixed
Hands (differs): Syringe; Baton

Bracelet

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