The Breitling Premier Top Time reference NB21251A1L1X1, released in 2023, is part of a capsule collection celebrating classic automotive design. It combines a bronze and titanium case with a green dial, powered by the self-winding Caliber B21 movement, which integrates both a chronograph and a tourbillon.
Movement Type
Automatic Chronograph
Caliber
Caliber B21Jewels
47
Reserve
70
Frequency
28800
Hands
Small Seconds
Shape
Round
Lug Distance
20.00 mm
Glass
Sapphire
Thickness
13.60 mm
Diameter
42.00 mm
Water Resistance
100.00 m
Dial Color
Green