This IWC Ingenieur Perpetual Calendar reference 9240 is offered with original IWC box, as well as a full IWC service including receipt from 2024. This model is in very good, well-maintained condition. Only very slight superficial signs of wear are visible on the case and strap. The strap is designed for 18.5cm wrists. This is the 38mm version of the perpetual calendar in 18k yellow gold. The automatic caliber 3758 runs perfectly. The caliber's most recent service took place in 2024.