Side by side

Differs

Breitling Top Time B21 Chevrolet CorvetteSB21252A1Q1

Breitling Top Time B21 Chevrolet Corvette

Breitling Premier B25 Datora 42AB2510201K1

Breitling Premier B25 Datora 42

General

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

Case

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

Movement

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

Dial

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

Bracelet

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