IWC
Portugieser Tourbillon Rétrograde Chronograph
Ref. IW3940-07
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Specifications
Reference
- Collection
- Portugieser
- Reference
- IW3940-07
Case
- Material
- Platinum
- Size
- 43.5 mm
Movement
- Calibre
- 89900
- Power reserve
- 68 hours
Dial & Bracelet
- Dial
- Blue
About this reference
The Portugieser Tourbillon Rétrograde Chronograph combines a flying minute tourbillon, a retrograde date display and a flyback chronograph in an exquisite platinum case. Case: Reference: IW394007; Dial Color: Blue; Case: Platinum; Strap: Blue alligator leather strap by Santoni; Diameter: 43.5 mm; Movement: Automatic, self-winding, IWC-manufactured movement; Strap width: 22 mm; Buckle width: 18 mm; Height: 15.9 mm; Water Resistance: 3 Bar; Back case: With synthetic sapphire crystal. Movement: Caliber: 89900; Movement type: Automatic, self-winding; IWC-manufactured movement: Yes; Power Reserve: 68 hours; Frequency: 28800 Vph (4 Hz); Components: 375; Jewels: 42; Decoration: Côtes de Genève, Perlage. Features: Chronograph function with hours, minutes and seconds; Flyback function; Sapphire glass, arched-edge, antireflective coating on both sides; Hour and minute counters combined in a totalizer at 12 o’clock; Rotor in 18-carat 5N gold; Hacking tourbillon mechanism; Flying minute tourbillon; Retrograde date display.
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