Model: Niessing Radius 9 Classic Case dimensions: 41 mm length × 24 mm width Case material: 750 gold Movement: Mechanical hand-wound movement Shape: Rectangular with gentle curvature (curvature in a radius of 9 cm) Strap: Leather strap that runs between the two case plates Design: Minimalist, inspired by Bauhaus. Design by designer Günter Wermekes. Special features: Very rare version with hand-wound movement (no longer in the current Niessing range) Timeless design with high quality craftsmanship Originally produced in the 1990s Collector's item with design and historical value 12 months guarantee from us from the date of purchase