Model: 25721ST.OO.1000ST.09.A
Manufacturer: Audemars Piguet
Diameter: Ø 42 mm
Thickness: 14 mm
Weight: 228 grams
Case: Brushed/polished steel
Back case rear: Solid
Bracelet: Brushed and polished steel
Dial: Blue with luminescent arabic numerals and index markings, luminescent hands
Buckle: Folding clasp made of steel
Glass: Scratch-proof sapphire crystal
Bezel: Steel, brushed/polished

Movement type: Automatic winding
Seconds hand: Floating
Movement: With 54 jewels, 28,800 vph
Power reserve: 48 hours
Date: Date
Functions: - Tachometer
- Separate seconds dial
- Chronograph
Other: Screw down crown