Important Notice: This 'NOS' authentic, discontinued timepiece is unworn inventory that has remained in storage for a prolonged period and is not equivalent to a factory-fresh modern retail watch. Due to age and historical handling, the item may exhibit "storage wear" such as fine hairline scratches or minor abrasions. Buyers should note that internal lubricants may have dried or gaskets degraded, so a professional service and pressure test are recommended to ensure optimal performance.
The discontinued Seiko SND463 is a 39mm stainless steel chronograph characterized by a brutalist and non-traditional case design. Internally, it is equipped with the brand's well-respected 7T92 quartz movement, providing 100 meters of water resistance and a highly capable 1/20th-second chronograph with a 12-hour totalizer.
Established in 1881 by Kintarō Hattori, Seiko is defined by its principle of complete vertical integration, manufacturing every single component of its timepieces in-house. They were the primary catalyst of the "Quartz Crisis" with the commercial release of the 1969 Astron—the world’s first quartz watch—the brand simultaneously advanced mechanical horology, developing one of the first automatic chronographs and pioneering high-frequency movements to challenge Swiss standards.
Seiko's relentless innovation continues with proprietary technologies like Spring Drive, which blends mechanical power with quartz precision. This technical mastery underpins Seiko's legacy in creating archetypal and exceptionally durable tool watches, particularly in the domain of professional diving.
Overall Grade: 9 / 10 | NOS Condition, Light Wear From Prolonged Storage Production: Purchased 2026 Contents: Box and Papers Genre: Sports Chronograph
Size: 39mm Thickness: approx. 10mm Lug Width: Integrated
Case: Stainless steel, brushed finish, mirrored sides, light visible wear Bezel: Stainless steel, scalloped bezel, sandblasted finish, light visible wear Dial: Black dial, applied dot markers, outer tachymeter scale, date window Hands: Silver-tone syringe hands, lumed
Crown: Steel, black hard-coated crown and pushers, light visible wear Crystal: Hardlex crystal, light visible wear Bracelet: Steel, integrated link bracelet, light visible wear Caseback: Steel, solid, screw-down, light visible wear Movement: Quartz Chronograph Caliber: 7T92













