IWC Portofino Enamel Dial Ref.3513-1 C.37521 34.0mm 1991

This elegant IWC Portofino Ref.3513-1 from 1991 showcases the brand’s commitment to craftsmanship, featuring a stunning enamel dial that reflects the refined beauty of neo-vintage Swiss watchmaking. With its sleek 34.0 mm stainless steel case and beautifully crafted dial, this dress watch is a perfect example of understated luxury.

Housed in a professionally polished stainless steel case, this piece features IWC’s Caliber C.37521 automatic movement, freshly serviced and running flawlessly at ~0s/day. The Portofino is the ideal choice for anyone seeking a timeless dress watch with unmatched quality and design.

DIAL

• Original white enamel dial with flawless glossy finish

• Polished steel stick-shaped hands and stick hour markers

• Simple and clean design with no date, allowing for a minimalistic look

• Light-catching sheen under the right lighting

CASE

• Stainless steel case with round edges, professionally polished, retaining smooth curves

• Symmetrical case with gentle curves and round lugs for a sophisticated silhouette

• 34.0 mm (without crown) / 39.0 mm (lug-to-lug) / 7.0 mm thick

• Year: 1991

• Reference: 3513-1

• Case Serial: 2499181

MOVEMENT

• IWC Caliber C.37521 – automatic movement

• Freshly serviced 04/2025

• Accuracy: ~0 sec/day

• Movement Serial: 2496693

STRAP & BUCKLE

• Aftermarket black ostrich leather strap (18 mm lug width)

• Original IWC stainless steel clasp

AFTERCARE PACKAGE

• Comes with a black wooden box + silica gel

• Free PolyWatch kit (for acrylic crystal only)

• 1-month warranty (non-user damage)

• Exclusive repair service post-warranty

• 7-day return policy for peace of mind

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Specifics

Maker: IWC

Model: Portofino

Year: 1991

Case Material: Stainless Steel

Reference: 3513-1

Case Serial number: 2499181

Movement Serial number: 2496693

Caliber: C.37521

Diameter: 34.0mm

Lug to lug: 39.0mm

Lug width: 18.0mm

Thickness: 7.0mm

Lume: NIL

Bracelet/strap: Aftermarket Black Ostrich Leather Strap

Clasp: Original IWC Stainless Steel Clasp

Box and papers: NIL

Accuracy: ~0s/day

Movement type: Automatic

Crystal: Original IWC Domed Sapphire

Crown: Original IWC Fish Logo Crown

Last service: April 2025