IWC Portofino Chronograph MecaQuartz Stainless Steel / White / Calf IW3731-05

IWC Portofino Chronograph MecaQuartz Stainless Steel / White / Calf Ref. IW3731-05

The IWC Portofino Chronograph MecaQuartz Stainless Steel / White / Calf IW3731-05 has a 35 mm yellow gold case, measures 7.8 mm thick, and is water resistant to 30 metres.

The IWC Portofino Chronograph IW3731-05 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.

Diameter: 35 mm
Thickness: 7.8 mm
Water resistance: 30 m
Case: Yellow Gold
Released: 1988
Movement: Jaeger-LeCoultre caliber 631

Specifications

Case and dimensions

Case diameter: 35 mm
Thickness: 7.8 mm
Lug width: 18 mm
Case shape: Round
Case material: Yellow Gold
Crystal: Sapphire
Case back: Closed
Water resistance: 30 m

Dial

Dial colour: White
Indexes: Stick / Dot
Hands: Stick

Movement

Calibre: Jaeger-LeCoultre caliber 631
Movement maker: Jaeger-LeCoultre
Movement type: Quartz
Display: Analog
Jewels: 25
Movement diameter: 23.15 mm
Complications: Chronograph, Date, Hours, Minutes and Small Seconds

Production

Release year: 1988
Discontinued: 1998

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Other Portofino references

12

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