The 2023-released Longines Spirit Flyback L3.821.4.53.6 uses a 42.00mm steel case with a bidirectional ceramic bezel, a black dial, and the self-winding flyback chronograph L791.4.
Movement Type
Automatic Chronograph
Caliber
L791.4Jewels
28
Reserve
68
Frequency
28800
Hands
Small Seconds
Shape
Round
Lug Distance
22.00 mm
Glass
Sapphire
Thickness
17.00 mm
Diameter
42.00 mm
Water Resistance
100.00 m
Dial Color
Black
Material
Bracelet