Shown: reference NB21251A1L1X1 · Photo: Breitling
Breitling

Premier Top Time B21 Chronograph Tourbillon Ford Mustang Reference NB21251A1L1X1

Overview

The Breitling Premier Top Time B21 Chronograph Tourbillon Ford Mustang has a 42 mm bronze case with a green dial. It runs on the self-winding Breitling calibre B21 with a 55 hour power reserve and is water resistant to 100 metres. The model has one reference, NB21251A1L1X1.

Case diameter
42 mm
15.4 mm thick
Movement
Calibre B21
Water resistance
100 m
Power reserve
Approx. 55 hours

Specifications

Specifications from Breitling and WatchBase. Last checked . Sources

Case

Diameter
42 mm
Thickness
15.4 mm
Lug width
20 mm
Material
Bronze
Crystal
Sapphire
Case back
Open
Water resistance
100 m
Weight
118 g
Crown
Non screw-locked, two gaskets
Bezel
Fixed

Dial

Colour
Green

Movement

Type
Automatic
Power reserve
Approx. 55 hours
Jewels
30
Frequency
28,800 vph (4 Hz)

Bracelet or strap

Bracelet or strap
Brown racing-themed calfskin leather strap
Clasp
Folding clasp Titanium

Not yet recorded: lug-to-lug, shape, indexes, hands, functions, years.

Sources

  • Breitling: case, water resistance, dial, movement, bracelet. View sources
  • WatchBase: case, water resistance, dial, movement. View sources

Missing values are shown as not yet recorded, never estimated. How we source our data

MovementBreitling calibre B21Specifications and every watch that uses it

Premier Top Time B21 Chronograph Tourbillon Ford Mustang questions

What size is the Breitling Premier Top Time B21 Chronograph Tourbillon Ford Mustang?

The Breitling Premier Top Time B21 Chronograph Tourbillon Ford Mustang has a 42 mm case.

What movement does the Breitling Premier Top Time B21 Chronograph Tourbillon Ford Mustang use?

It uses the Breitling calibre B21.

What is the Breitling Premier Top Time B21 Chronograph Tourbillon Ford Mustang case made of?

The case is bronze.

Is the Breitling Premier Top Time B21 Chronograph Tourbillon Ford Mustang water resistant?

It is rated to 100 m.