IWC · Grande Complication
Strap for Grande Complication 3770 Platinum / Silver / German / Bracelet
Takes 18 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
18mm
Lug width18 mm
Case diameter42 mm
ReferenceIW9270-14
FamilyGrande Complication
MovementIWC caliber 79091
Hours, Minutes, Small Seconds | Date, Day, Month, Perpetual Calendar, Year Indicator | Chronograph | Moonphase | Minute Repeater
CasePlatinum
The Grande Complication IW9270-14, seen from the bench
The IWC Grande Complication IW9270-14 represents one of IWC's most complex achievements, equipped with the caliber 79091 that integrates chronograph, perpetual calendar, moon phases and minute repeater. The functions include hours, minutes, small seconds, full date, year indicator and on-demand chiming. The watch combines high mechanical complication with the brand's traditional manufacturing expertise from Schaffhausen.
The next step
The right strap isn't chosen. It is built, together.
From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.
Request an appointment →Casati Milano · Via XX Settembre 15, Milan · by appointment only