Audemars Piguet brand

Royal Oak Series

Automatic mechanical movement type

Calibre 5900 movement model

37mm case diameter

Stainless steel case material

Basic Information: ID: 15550ST.OO.1356ST.07; Brand: Audemars Piguet; Series: Royal Oak; Movement Type: Automatic; Gender: Ladies; Movement Model: Calibre 5900; Movement Type: Automatic; Movement Diameter: 26.2 mm; Movement Thickness: 3.9 mm; Frequency: 28,800 vibrations per hour; Number of Jewels: 29; Number of Parts: 186; Power Reserve: 60 hours; Exterior: Case Diameter: 37 mm; Case Thickness: 8.9 mm; Dial Color: Grey; Dial Shape: Round; Strap Color: Silver; Clasp Type: AP logo folding clasp; Case Back: Anti-reflective sapphire crystal; Weight: Not available; Water Resistance: 50 meters; Hour Marker Type: Bat markers; Luminous luminous clasp spacing: Not available; Lug Spacing: Not available; Material: Case Material: Stainless Steel; Dial Material: Grey dial with “Grande Tapisserie” pattern, white gold luminous applied hour markers and Royal Oak logo. The Oak Royal Oak watch features a stainless steel bezel, anti-reflective sapphire crystal, a screw-down crown, a stainless steel strap, and a simple clasp. It currently lacks a date display function.