Side by side

Differs

Breitling Navitimer B01 Chronograph 41RB0139211Q1

Breitling Navitimer B01 Chronograph 41

Breitling Navitimer B12 Chronograph 41 CosmonauteRB12302A1L1

Breitling Navitimer B12 Chronograph 41 Cosmonaute

General

Status (differs): In production; Limited edition
Introduced (differs): 2025; 2024
Retail price (differs): US$29,400; US$25,000

Case

Shape: Round; Round
Diameter: 41 mm; 41 mm
Thickness: 13.6 mm; 13.6 mm
Lug width: 22 mm; 22 mm
Material: 18k rose gold; 18k rose gold
Bezel: Slide rule; Slide rule
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: 30 m; 30 m

Movement

Calibre (differs): Breitling 01; Breitling B12
Type: Automatic; Automatic
Origin: In-house; In-house
Power reserve: 70 h; 70 h
Frequency: 28,800 vph (4 Hz); 28,800 vph (4 Hz)
Jewels: 47; 47
Functions: 1/4th second, 30 minutes, 12 hours
Dial aperture; 1/4th second, 30 minutes, 12 hours
Dial aperture
Complications: Chronograph
Date
Slide rule
Small seconds; Chronograph
Date
Slide rule
Small seconds

Dial

Colour (differs): Bronze; Green
Pattern: Sunburst; Sunburst
Indices (differs): Mixed; Arabic numerals
Hands: Syringe; Syringe

Bracelet

Type: Leather strap; Leather strap
Name (differs): Brown alligator leather strap; Black alligator leather strap
Clasp: Folding clasp, 18k rose gold; Folding clasp, 18k rose gold
Strap colour (differs): Brown; Black