For the discerning Seiko collector, this is an exceptional opportunity to acquire a stunning Seiko 6119-8400. Often referred to as a "Sport Diver," this model is famous for its robust stainless steel cushion case and striking "Sunburst" blue dial. This particular example has been carefully maintained. The watch features the "Water 70m Proof" text on the dial, a detail highly sought after by collectors as it indicates an early production run before Seiko transitioned to "Resist" markings in the early 70s. Condition Report • Movement: The heart of this watch is the legendary Caliber 6119C (21 jewels). It has been recently serviced and is running perfectly. The "push-day" and "quick-set date" functions operate smoothly. • Dial & Hands: Original cobalt blue sunburst dial in beautiful condition. The applied hour markers and Seiko 5 logo retain their crisp edges. • Crystal: Recently fitted woth new Sapphire crystal • Case: The stainless steel "UFO" cushion case shows honest signs of wear (faint scratches) consistent with its age, preserving its original lines and factory finishes. • Straps: This lot includes two versatile options: 1. A high-quality aftermarket stainless steel bracelet that complements the case geometry perfectly. 2. A sporty blue and white NATO strap, giving the watch a fresh, nautical look. Technical Specifications • Reference: 6119-8400 • Serial Number: 040729 (Dates to April 1970) • Movement: Seiko Automatic Cal. 6119C, 21 Jewels • Case Diameter: Approx. 38mm (excluding crown) • Lug-to-Lug: 43mm • Functions: Day/Date (Quickset), Sweeping Seconds, 70m Proof • Crystal: Scratch-resistant Sapphire (New) Why Bid on This Piece? Vintage Seiko divers and sport models are seeing a massive surge in value. Finding a "70m Proof" variant that has been fully serviced and fitted with a sapphire crystal means this watch is ready to be worn and enjoyed immediately without the worry of upcoming maintenance costs.