IWC Portuguese Tourbillon Mystere SS Black Leather sku3385

Size: 44mm
Movement: Asian Seagull hand-winding tourbillon movement (specially modified to meet the configuration of this watch)
Functions: hours, minutes and sub-seconds display; power reserve indicator
Case: 316L stainless steel
Crystal: scratch-proof sapphire crystal with double AR
Dial: black dial
Strap: black leather strap
Clasp: double deployant buckle
Water resistance: >20 Meters