IWC Ingenieur Perpetual Calendar 41.6 mm

Case and bracelet: Titanium. Case size: 41.6 mm. Calendar displays: Date at 3 o’clock, weekday at 9 o’clock, and month with moon phase at 6 o’clock. Movement: Tianjin movement modified to Cal. 82600. Crystal: Domed sapphire crystal. Adjustment: Calendar functions are controlled via the crown; the perpetual-calendar module requires careful adjustment.

錶殼與錶鏈：鈦金屬。錶殼尺寸：41.6 mm。日曆顯示：3點鐘位置顯示日期，9點鐘位置顯示星期，6點鐘位置顯示月份與月相。機芯：天津機芯改裝至Cal. 82600配置。錶鏡：拱形藍寶石水晶。調校：日曆功能由錶冠控制，萬年曆模組須小心調校。