Discover the rare and exceptional Seiko 6138-3000 "Jumbo," a chronograph that stands apart from its sibling, the more common 6138-3002. While the 6138-3002 is well-known among collectors, the 6138-3000 boasts a unique, streamlined case design with sharper lines and finer detailing, making it a highly sought-after model, particularly in the Asian market.

Adding to its rarity is the inclusion of the original Stelux bracelet, a feature that elevates this piece to true collector status. Stelux bracelets were outsourced by Seiko to meet high demand, but they are seldom found on Jumbos, making this combination incredibly special.

• Model: 6138-3000 (Export Model for the American Market)
• Year: 1972
• Case Material: Stainless steel with sharp, brushed, and polished finishes, distinct from the more rounded 6138-3002 case.
• Case Size: 42mm diameter x 15mm thickness, with a robust yet refined wrist presence.
• Dial: Spotless multi-layer evergreen dial with contrasting yellow chronograph sweep and minute hands, paired with black and white markers for a bold, legible design.
• Crystal: Durable mineral glass with a precise inner chapter ring.
• Bracelet: Rare original Stelux stainless steel bracelet, a significant collector's feature typically associated with Seiko Pogues but rarely seen on Jumbos.
• Movement: Seiko 6138 automatic chronograph, with manual winding, quick-set day/date, and fully functioning chronograph features.

Unlike the more common 6138-3002, the 6138-3000’s streamlined case design emphasizes sharp angles and a refined silhouette. This particular example is an export model for the American market, retaining its original brushed and polished finishes, as well as the authentic Stelux bracelet, a rare and valuable addition. While Stelux bracelets were commonly fitted to models like the Seiko Pogue, finding one on a Jumbo is exceptionally uncommon.

The Jumbo’s design is inspired by the racing chronographs of its era, with its military-inspired aesthetics accentuated by yellow highlights and a clean, functional layout. The slightly raised outer track and sunken subdials add depth to the dial, creating an intricate yet balanced visual effect.

This 1972 Seiko Jumbo is in outstanding condition, retaining its sharp case lines and all-original components, including the dial, hands, crystal, and bracelet. It has been recently serviced and is functioning flawlessly, ensuring it is ready to wear and enjoy.