Side by side

Differs

Breitling Premier B25 Datora 42AB2510201K1

Breitling Premier B25 Datora 42

Breitling Top Time B21 Chevrolet CorvetteSB21252A1Q1

Breitling Top Time B21 Chevrolet Corvette

General

Status: In production; In production
Introduced (differs): 2021; 2023
Retail price (differs): US$15,500; US$51,500

Case

Shape: Round; Round
Diameter: 42 mm; 42 mm
Thickness (differs): 15.35 mm; 15.4 mm
Lug width: 22.05 mm; 22.05 mm
Material (differs): Stainless steel; Ceramic
Bezel: Fixed; Fixed
Caseback: Display (sapphire); Display (sapphire)
Crystal (differs): Sapphire, Domed, Anti-reflective on both sides; Sapphire
Crown: Push-pull; Push-pull
Water resistance: 100 m; 100 m

Movement

Calibre (differs): Breitling B25 (Manufacture Concepto); Breitling B21 (Manufacture La Joux-Perret)
Type: Automatic; Automatic
Origin: In-house; In-house
Power reserve (differs): 48 h; 55 h
Frequency: 28,800 vph (4 Hz); 28,800 vph (4 Hz)
Jewels (differs): 32; 30
Functions (differs): 1/4th second, 30 minutes
Day, date, month & moon-phase; 1/4th second, 60 minutes
Complications (differs): Chronograph
Date
Day
Day-date
Month
Moon phase
Small seconds; Chronograph
Small seconds
Tourbillon

Dial

Colour (differs): Copper; Brown
Pattern (differs): Matte; Gloss
Indices (differs): Arabic numerals; Mixed
Hands (differs): Syringe; Baton

Bracelet

Type: Leather strap; Leather strap
Name (differs): Brown alligator leather strap; Brown racing-themed calfskin leather strap
Clasp (differs): Folding clasp, Stainless steel; Folding clasp, Titanium
Strap colour: Brown; Brown

Breitling Premier B25 Datora 42 AB2510201K1 vs Breitling Top Time B21 Chevrolet Corvette SB21252A1Q1 – dialtone