Audemars Piguet Royal Oak 50th Anniversary Diamonds Blue Dial Silver Steel Strap Watch for Men - 15551ST.ZZ.1356ST.02

• Brushed finished stainless steel case & bracelet with polished beveled corners.
• Polished octagon shaped fixed bezel, secured by 8 polished hex-head screws.
• Bezel set with 40 brilliant diamonds weighing a total of +/- 0.92 carats
• Blue "Bleu nuit nuage 50" dial with AP's signature Grande Tapisserie design pattern
• Polished white gold hands, the hour & minute baton hands with luminous fill.
• Applied polished white gold index hour markers with luminous fill.
• Fine printed minutes/seconds track.
• Date window at 3 o'clock.
• Audemars Piguet in-house caliber 5900, beats at 28,800 vph (4Hz), contains 29 jewels & has an approximate power reserve of 60 hours.

Brand: Audemars Piguet 
Series: Royal Oak
Model: 15551ST.ZZ.1356ST.02
Case Material: Stainless Steel
Water Resistant Depth: 50 meters
Size: 37 mm
Surface: "Grande Tapisserie" engraved with "Grande Tapisserie" Pattern, with white gold applied hour-markers and Royal Oak hands with luminescent coating. 40 brilliant-cut diamonds, approx. 0.92 carats (bezel).
Strap: Stainless steel strap with AP folding clasp.
Functions: Hours, minutes, central seconds and date.
Number of rubies: 29
Movement: Automatic
Minimum guaranteed power reserve hours: 60 h
Overall diameter: 26.2 mm
Number of parts: 186
Balance frequency: 4 Hz 28,800 vibrations/hour

BRAND : Audemars Piguet 
MODEL : Royal Oak
MODEL NUMBER : 15551ST.ZZ.1356ST.02
CASE MATERIAL: Steel
WATER RESISTANCE: 50 m
SIZE: 37 mm
DIAL: “Bleu nuit nuage 50” dial with “Grande Tapisserie” pattern, white gold applied hour-markers and Royal Oak hands with luminescent coating. 40 brilliant-cut diamonds; ~0.92 carat (bezel).
BRACELET: Stainless steel bracelet with AP folding clasp.
FUNCTIONS: Hours, minutes and date.
NUMBER OF JEWELS: 29
MECHANISM: Selfwinding
POWER RESERVE: 60 h
TOTAL DIAMETER: 26.2 mm
NUMBER OF PARTS: 186
FREQUENCY: 4 hz 28,800 vph