Perpetual calendar with retrograde date hand, moon phase, day, date, month, and leap-year indications Date indication along an arc from 8 to 4 o'clock in the center of the dial Self-winding Sweep second hand Water resistant: 25 m Officer's style case Sapphire-crystal case back protected by a hinged dust cover Fold-over clasp Strap widths Case x Buckle: 20 x 16 mm Diameter: 36.5 mm
