IWC - Ingenieur Constant-Force Tourbillon Watch IW590001 Maman&fille Membrane: Twenty 4" x 40"

Membrane: Twenty 4" x 40" TFC HF1 Membranes

Lens Type: Polarized

- Lightweight Folding

these reading glasses are super lightweight and made of plastic

Coupled with the increased traction that the new V3 wheels provide

IWC - Ingenieur Constant-Force Tourbillon Watch IW590001 Maman&fille Membrane: Twenty 4" x 40"46 mm platinum and ceramic case, sapphire glass back, screw in crown, black dial, hand wound calibre 94800 movement with power reserve display, perpetual moon phase display, double moon phases for the northern and southern hemispheres, countdown display showing phases until next full moon, and tourbillon with integrated constant force mechanism, approximately 94 hours of power reserve, black alligator leather strap. Water resistant to 12 bar.