Shaffhausen IWC International Watch
IWC Portuguese Tourbillon Hand-Wound Watch
Shaffhausen IWC International Watch launched the IWC Portuguese series day and night display tourbillon hand-wound watch at the "Watches and Wonders" exhibition in Geneva.
Model IW545901
IWC Portuguese series day and night display tourbillon hand-wound watch (model IW545901) features a polished and satin-finished 18K Armor Gold® case, gold-plated hands, and gold hour markers. The improved microstructure makes Armor Gold® harder and more scratch-resistant than traditional 18K red gold. The flying minute tourbillon at 6 o'clock is composed of 56 parts and weighs only 0.675 grams.
Model IW545901
Another highlight is the innovative day and night display, which shows the eternal transition between day and night through a small spherical body rotating around its axis. The spherical day and night display can be seen through the dial and the side of the movement. The IWC International Watch's in-house 81925 hand-wound movement features gold-plated components and can be viewed through a sapphire glass caseback.
Model IW545901
The obsidian black dial is highly polished, exuding an ultimate sense of depth and creating a captivating contrast. The watch is paired with a curved black alligator leather strap meticulously crafted by the renowned Italian luxury footwear and leather goods manufacturer, Santoni.