Audemars Piguet Royal Oak Self Winding with Black Dial 41mm Stainless Steel Watch 15400ST.OO.1220ST.01

Audemars Piguet Royal Oak Self Winding with Black Dial 41mm Stainless Steel Watch 15400ST.OO.1220ST.01

Specifications

Case Width 41.00 mm
Case Thickness 9.80 mm
Water Resistance 50 m

Case –  Stainless steel case, glareproofed sapphire crystal and caseback, screw-locked crown
Dial – Black dial with “Grande Tapisserie” pattern, pink gold applied hour-markers and Royal Oak hands with luminescent coating
Bracelet – Stainless steel bracelet with AP folding clasp
Reference – 15400ST.OO.1220ST.01

Functions
hours, minutes, center seconds, date

Movement thickness with module
4.26 mm

Total diameter
26.6 mm

Total diameter
11¾ lignes

Type of balance
With Variable inertia blocks

Frequency of balance wheel
3,00 (=21’600 alternances/hour) Hz

Type of balance-spring stud-holder
Screwed mobile stud

Balance-spring type
Flat

Direction of automatic winding
Bidirectional

Type of oscillating weight
Monobloc in 22-carat gold

Number of jewels
40

Power reserve
60 h

Number of parts
280

Specificities

Stop balance when setting time
Oscillating weight with ceramic ball bearings
Bevels of the bridges are diamond graved
Inverted snailing on bridges