IWC C-Line Ref.1827 C.8541B 34.0mm 1974

This beautifully preserved IWC C-Line Ref.1827 from 1974 is housed in a 34.0 mm stainless steel barrel-shaped case with a radiant silver sunburst dial and central seconds hand. A clean and timeless vintage piece that reflects IWC’s dedication to elegant mid-century design.

Well-proportioned and built to last, this piece features a screw-down case back, original fish-logo crown, and IWC’s in-house automatic Caliber 8541B. Freshly serviced and running strong, it’s ready to wear with confidence.

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DIAL:

• Original silver sunburst dial in excellent preserved condition

• Applied baton hour markers with date window at 3 o’clock

• Original index-style hands and central seconds

• Clean and balanced vintage layout

CASE:

• Stainless steel case in excellent condition / Professionally polished with sharp edges maintained

• Barrel-shaped 3-body case with screw-down case back and original IWC fish-logo crown

• 34.0 mm (without crown) / 39.0 mm (lug-to-lug) / 11.0 mm thick

• Year: 1974

• Reference: 1827

• Case Serial: 2094672

MOVEMENT:

• IWC Caliber 8541B – automatic with Pellaton winding system

• 21,600 A/h, 40-hour power reserve

• Freshly serviced 04/2025

• Accuracy: -1.0 sec/day 

• Movement Serial: 2033629

STRAP & BUCKLE:

• Original full stainless steel IWC Milanese mesh bracelet (18 mm lug width)

• Fully adjustable to fit most wrist sizes

• Aftermarket black crocodile leather strap and strap changing tool included as well

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: C-Line

Year: 1974

Case Material: Stainless Steel

Reference: 1827

Case Serial number: 2094672

Movement Serial number: 2033629

Caliber: C.8541B

Diameter: 34.0mm

Lug to lug: 39.0mm

Lug width: 18.0mm

Thickness: 11.0mm

Lume: Tritium

Bracelet: Original IWC Milanese Mesh Bracelet

Box and papers: NIL

Accuracy: -1.0s/Day

Movement type: Automatic

Crystal: Original IWC Domed Acrylic

Crown: Original IWC Fish Logo

Last service: April 2025