IWC · Grande Complication

Strap for Grande Complication 9270 Rose Gold / Ardoise / English / Bracelet

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width

20mm

20 mm straps All IWC

Lug width20 mm

Case diameter42 mm

ReferenceIW9270-45 (aka: 9270-45, IW927045)

FamilyGrande Complication

MovementIWC caliber 79091 Hours, Minutes, Small Seconds | Date, Day, Month, Perpetual Calendar, Year Indicator | Chronograph | Moonphase | Minute Repeater

CaseRose Gold

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

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Straps for the Grande Complication IW9270-45 (aka: 9270-45, IW927045)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Grande Complication IW9270-45 (aka: 9270-45, IW927045), seen from the bench

The IWC Grande Complication reference IW9270-45 features the 79091 caliber with high-horology complications. The movement integrates a chronograph, perpetual calendar with day, date, month, and year indicators, moon phases, and minute repeater. The configuration includes hours, minutes, small seconds and represents one of the most complex realizations of the Swiss manufacture.

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.

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Casati Milano · Via XX Settembre 15, Milan · by appointment only