IWC Portugieser Portuguese Perpetual Calendar Tourbillon Armor Gold / Bucherer

Reference IW504-507

About this watch

The IWC Portugieser Perpetual Calendar Tourbillon reference IW504-507 was introduced in 2026 as a limited edition of 18 pieces for Bucherer. Building on the template provided by the Portugieser Perpetual Calendar Tourbillon of the 150th anniversary collection, it features an 'Armor' Red Gold case of 45mm, which holds the self-winding caliber 51950 movement.
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Specifications

Brand
IWC
Family
Portugieser
Model
Portuguese Perpetual Calendar Tourbillon Armor Gold / Bucherer
Reference
IW504-507
Movement
51950
Movement Features
  • Hours, Minutes, Small Seconds
  • Date, Day, Month, Perpetual Calendar, Year Indicator
  • Moonphase
  • Tourbillon Escapement
Case
Red Gold 45mm
Dial Color
Silver
Crystal
Sapphire
Water Resistance
30