Round
Interchangeable full back and sapphire-crystal case back
Yellow Gold
41 mm
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
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