Side by side

Differs

Breitling Premier B01 Chronograph 42AB0145331K1

Breitling Premier B01 Chronograph 42

Breitling Premier B25 Datora 42AB2510201K1

Breitling Premier B25 Datora 42

General

Status: In production; In production
Introduced (differs): 2023; 2021
Retail price (differs): US$9,750; US$15,500

Case

Shape: Round; Round
Diameter: 42 mm; 42 mm
Thickness (differs): 13.6 mm; 15.35 mm
Lug width: 22.05 mm; 22.05 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 B25 (Manufacture Concepto)
Type: Automatic; Automatic
Origin: In-house; In-house
Power reserve (differs): 70 h; 48 h
Frequency: 28,800 vph (4 Hz); 28,800 vph (4 Hz)
Jewels (differs): 41; 32
Functions (differs): 1/4th second, 30 minutes
Dial aperture; 1/4th second, 30 minutes
Day, date, month & moon-phase
Complications (differs): Chronograph
Date
Small seconds; Chronograph
Date
Day
Day-date
Month
Moon phase
Small seconds

Dial

Colour: Copper; Copper
Pattern: Matte; Matte
Indices: Arabic numerals; Arabic numerals
Hands: Syringe; Syringe

Bracelet

Type: Leather strap; Leather strap
Name: Brown alligator leather strap; Brown alligator leather strap
Clasp: Folding clasp, Stainless steel; Folding clasp, Stainless steel
Strap colour: Brown; Brown