(54905) IWC Novecento Perpetual Calendar 3546, 18k yellow gold on a strap with a matching yellow gold tang buckle, automatic movement, perpetual calendar, white dial with day at 12 o'clock, date at 6 o'clock, month at 9, two-digit year indication between 10 and 11 o'clock, moonphase, sapphire crystal, water resistant to 3 atm, size: 26mm x 33mm, thickness: 8.7mm. Excellent Condition with IWC pouch and service papers from March of ...