The 2025 Premier B01 Chronograph 42 RB0145171C1P1 features a 42mm 18k red gold case with a blue dial and bi-compax layout. It is powered by the in-house Caliber 01, providing a 70-hour power reserve and 100-meter water resistance, and is worn on a gold-brown alligator strap with a folding clasp.
Movement Type
Automatic Chronograph
Caliber
Caliber B01Jewels
47
Reserve
70
Frequency
28800
Hands
Small Seconds
Shape
Round
Lug Distance
22.00 mm
Material
Red Gold
Glass
Sapphire
Thickness
13.65 mm
Diameter
42.00 mm
Water Resistance
100.00 m
Dial Color
Blue