• Seiko SPB511J1 6R55 3-Day Automatic 1965 Heritag

This watch is the Seiko Prospex 1965 Heritage Diver’s 60th Anniversary Limited Edition (Model reference: SPB511J1).

Inspired by Seiko’s legendary 1965 "62MAS" (Japan's first diver's watch), this specific model is a limited-edition run of 6,000 pieces worldwide. The second photo shows this exact piece carries the serial number 1533/6000.

🛠️ Key Technical Specifications

• Movement: Caliber 6R55 (In-house mechanical automatic with manual winding).
• Power Reserve: Approximately 72 hours (3 Days).
• Water Resistance: 300 meters (1,000 feet), suitable for scuba diving.
• Case & Bracelet Material: Stainless steel treated with Seiko’s "Super-Hard Coating" (DiaShield) for high scratch resistance.
• Diameter: 40.0 mm
• Thickness: 13.0 mm
• Lug-to-Lug: 46.4 mm
• Lug Width: 20 mm
• Glass: Curved sapphire crystal featuring an anti-reflective coating on the inner surface.
• Bezel: Matte charcoal/gray anodized aluminum unidirectional rotating bezel.
• Dial Aesthetic: Silvery-white dial embossed with a wave pattern inspired by Hokusai's "The Great Wave" art style. The date window sits subtly at the 4:30 position to keep full symmetry for the lumed hour markers.
• Clasp: Upgraded milled steel three-fold clasp featuring an on-the-fly slide adjuster (allowing toolless micro-adjustments up to 15mm).

📍 Available at Hang Thai PJ SS2

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