Seiko 6899 (Pre-owned - Good) — USD 4,746 on eBay

The Credor 6899 is a distinguished ultra-thin mechanical movement produced by Seiko's Micro Artist Studio, known for its exceptional craftsmanship and precision. This caliber is often found in Credor's most refined dress watches, emphasizing elegance and slender profiles. It represents the pinnacle of Seiko's traditional mechanical watchmaking capabilities, showcasing meticulous finishing and assembly. This manual-winding movement is designed for extreme thinness, allowing for very svelte case designs. The finishing typically includes polished bevels, Geneva stripes, and blued screws, executed to a high standard. Its compact architecture and precise regulation contribute to its performance within Credor's high-end offerings. For collectors, the Credor 6899 signifies a commitment to traditional horological artistry and technical mastery. Watches featuring this movement are often limited in production and highly sought after for their discreet luxury and the artisanal skill involved in their creation, making them significant pieces within the Credor lineage.