IWC · Portofino
Portofino Chronograph MecaQuartz Stainless Steel / White / Bracelet
Ref. IW3731-06
The IWC Portofino Chronograph IW3731-06 has a Yellow Gold case with a diameter of 35.00mm, which holds the 'MecaQuartz' caliber 631 chronograph movement. The dial is White. This watch was available from ca. 1988 until 1998.
- Release year
- 1988
- Case diameter
- 35 mm
- Thickness
- 7.8 mm
- Lug width
- 18 mm
- Water resistance
- 30 m
- Case material
- Yellow Gold
- Crystal
- Sapphire
- Dial
- White
- Movement
- Jaeger-LeCoultre caliber 631
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