IWC Schaffhausen - Portofino

Portofino Hand-Wound Tourbillon Rétrograde

18 ct 5N gold case, 45.0 mm. Made in Schaffhausen, Switzerland. Model IW516501
Editor's notes
The name of the Portofino Hand-Wound Tourbillon Rétrograde contains three wonderful complications: the hand-wound movement with an 8-day power reserve, the flying tourbillon at “6 o’clock” and the retrograde date display that stretches from “8” to “10 o’clock”. The hand-wound 59900 calibre allows the integration of a hacking tourbillon, which makes it possible to set the time precisely to the second. The retrograde date display shows the date in analogue form with a date hand that moves in an arc from the 1st to the 31st of the month. The hand jumps back automatically to “one” after the last day of months with 31 days. In months with fewer than 31 days or when the watch has not been used for a while, the date display can be advanced rapidly and jumps back to the first of the month. The silver-plated dial shimmers brightly inside the 18-carat 5N gold case. The watch is fitted with a dark brown alligator leather strap from the luxury manufacturer Santoni.

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Technical Specifications


59900 Calibre

IWC-manufactured movement


192 hours Power Reserve

315 Components

38 Jewels

Côtes de Genève, perlage


Dark brown alligator leather strap by Santoni

Strap width 22 mm


Silver-plated dial


Flying minute tourbillon

Retrograde date display

Sapphire glass, arched-edge, antireflective coating on both sides

Hacking tourbillon mechanism

8 days power reserve

Power reserve display


18 ct 5N gold case

Diameter 45.0 mm

Height 14.0mm

See-through sapphire glass back

Water resistance 3 bar

IWC Portofino HandWoundTourbillonRetrograde IW516501 TechnicalSpecifications FINAL
IWC Portofino HandWoundTourbillonRetrograde IW516501 TechnicalSpecifications FINAL

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