Audemars Piguet Selfwinding Chronograph 15212NB.OO.A002KB.01

General Information:

• Brand: Audemars Piguet
• Collection: Royal Oak/Selfwinding Chronograph (specify correct collection)
• Model: 15212NB.OO.A002KB.01
• Gender: Unisex/Men (specify as appropriate)

Case:

• Diameter: 39 mm (specify correct size if known)
• Material: Titanium (or other material if known)
• Bezel: Fixed, Titanium (or other material if known)
• Crystal: Scratch-resistant sapphire
• Case Back: Transparent sapphire crystal

Dial:

• Color: Black/Blue (specify actual color)
• Markers: Index hour markers
• Hands: Luminous with matching case material finish
• Chronograph: Sub-dials for measuring elapsed time

Movement:

• Caliber: Assuming Caliber 2121/3126 (or specify actual if known)
• Type: Selfwinding, automatic
• Frequency: 21,600 vibrations per hour (3 Hz) (or specify actual)
• Power Reserve: Approx. 40-60 hours (verify actual reserve)
• Features: Hours, minutes, small seconds, date, chronograph

Bracelet/Strap:

• Material: Rubber (specify if different)
• Color: Black (or specify actual)
• Clasp: Pin buckle or fold-over clasp (specify actual)

Additional Features:

• Water Resistance: Typically 50-100 meters (verify actual)