The Seiko SNKL05 serves as the base for this custom OEM build. The owner replaced the original dials with flieger-style dials and matching handsets sourced from the discontinued SNX4xx references. The 21-jewel caliber operates at 21,600 vibrations per hour and features the signature Seiko 5 day-date complication at the 3 o'clock position.
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: 7.5 / 10 | Good Condition, Medium Wear Production: 2017 Contents: Full-set Genre: Field Watch
Size: 39mm Thickness: 10.5mm Lug width: 20mm
Case: SNKL05 case, steel, mirrored sides, brushed lugs, medium wear Bezel: Fixed dome bezel, mirrored finish, medium wear Dial: SNX427 green matte dial, printed markers, lumed, day-date window Hands: Sword hands with white frames, lumed
Crown: Stainless steel, push/pull crown, medium wear Crystal: Hardlex, flat, medium wear Bracelet: Green nylon strap (original bracelet included), visible wear Caseback: Stainless steel, exhibition back, screw-down, medium wear Movement: Automatic Caliber: 7S26