IWC Portofino Hand-Wound Eight Days Moonphase Stainless Steel / Silver
IW5164-01 Current
Licensed benchmark ownership identity
Case
direct Dimensions and fit
Case length45 mm
Case width / diameter45 mm
Case thickness13.1 mm
Lug-to-lugNot recorded
Lug widthNot recorded
Water resistanceNot recorded
The dimension basis is not currently recorded.
Open dimension source ↗Movement
ManualCalibre and mechanism
CalibreIWC 59800
Normalized calibreIWC59800
GenerationIWC 59000-family hand-wound moonphase calibre
Power reserve192 h
Technical data
Not applicable Conventional winding
This movement is not assigned a motor-winder programme in the Watch Library.
Conventional winding fields are evidence-linked reference data. They are separate from any device-specific axial-control profile.
Market context
Date not recordedMarket-value disposition
No exact-reference public market estimate has been admitted for this record.
Market observations are separate from manufacturer specifications and are not used to fill technical gaps.