The Royal Oak 15400, which debuted in 2012, updates the 15300's technical design with a 41mm case. Reference 15400ST.OO.1220ST.04, introduced at SIHH 2017, includes a stainless steel case and bracelet paired with a grey dial.
Movement Type
Automatic
Caliber
AP 3120Jewels
40
Reserve
60
Frequency
21600
Hands
Center Seconds
Shape
Other
Material
Stainless Steel
Glass
Sapphire
Thickness
9.80 mm
Diameter
41.00 mm
Water Resistance
50.00 m
Dial Color
Grey