caseMaterialPink GoldWaterproof50 meterssize41 mmdialThe 'Bleu nuit nuage 50' dial features a 'Grande Tapisserie' motif, 'Bleu nuit nuage 50' chronograph counters, rose gold applied hour markers and Royal Oak hands with luminescent coating.bracelet18k rose gold bracelet with foldover clasp.Movement 4401FunctionFlyback chronograph, hours, minutes, small seconds and date.Number of Gems40POWER RESERVE70 hoursOverall diameter32 mmNumber of parts381frequency4 Hz 28,800 times/hour?thickness6.9 mm