ZF's IWC Portuguese Chronograph IW371605 (2019 upgrade). Features exhibition caseback, improved clasp, custom CAL.69355 movement. 41mm case, sapphire crystal, authentic design. ZF excels in IWC craftsmanship.

ZF's Masterpiece - IWC Portuguese Chronograph Open Caseback 150th Anniversary IW371605 Watch (2019 Major Redesign of Portuguese Chronograph)
【Highlights】
1. Exquisite open caseback, allowing a clear view of the movement
2. New clasp design for enhanced comfort and sophistication
3. Custom CAL.69355 movement, fully replicating all original functions
【Case】 Watch dimensions: 41mm x 13mm
1. ZF's mastered IWC polishing technique, authentically recreating IWC's essence
2. Front and back sapphire crystals, extremely transparent
3. Proportion and design repeatedly calibrated to match the genuine article and fit the wrist perfectly

Elegant and Extraordinary
ZF Product | Always a Masterpiece

Original Title: ZF's Masterpiece - IWC Portuguese Chronograph Open Caseback 150th Anniversary IW371605 Watch (2019 Major Redesign of Portuguese Chronograph)
【Highlights】
1. Exquisite open caseback, allowing a clear view of the movement
2. New clasp design for enhanced comfort and sophistication
3. Custom CAL.69355 movement, fully replicating all original functions
【Case】 Watch dimensions: 41mm x 13mm
1. ZF's mastered IWC polishing technique, authentically recreating IWC's essence
2. Front and back sapphire crystals, extremely transparent
3. Proportion and design repeatedly calibrated to match the genuine article and fit the wrist perfectly

Elegant and Extraordinary
ZF Product | Always a Masterpiece