Patek Philippe
5270J-001 Grand Complications
Round
Interchangeable full back and sapphire-crystal case back
30 M
12.4 mm
Silvery opaline
Gold applied
Center chronograph hand, chronograph counter subdials, tachymeter scale
Day and month in apertures, date by hand at 6 o'clock
Manual-winding, With chronograph disengaged: Power reserve up to 65 hours
CH 29-535 PS Q
Chronograph, center chronograph hand and instantaneous 30-minute counter. Perpetual calendar with leap year and day/night indication. Small seconds. Moon phases
Alligator leather with square scales
Matte chocolate brown
Fold-over clasp