Engine: Caliber 3120 (21,600vph, 280 parts) Oscillating weight with ceramic ball bearings
Functions: Hours, Minutes, Seconds, Date
Crystal: Sapphire Crystal
Caseback: Transparent Sapphire Crystal Exposition Back - Scratch Resistant
Water Resistance: 50m / 165ft ( suitable for very light splashing; unsuitable for rain, showering, swimming or diving)
Bracelet: Stainless Steel, Satin brushed
Clasp: Deployant
Calendar: Automatic date at 3 o'clock
Bezel Function: Fixed
Bezel Material: Stainless Steel, Satin brushed
Also Called: Audemars Piguet 15400ST.OO.1220ST.02, Audemars Piguet 15400STOO1220ST02, 15400ST