SEIKO HERITAGE DIVER'S WATCH PROSPEX SEA SPB501: PADI SPECIAL EDITION
The Seiko Heritage Diver's Watch Prospex Sea SPB501 is a PADI special edition that pays tribute to Seiko's first diver's watch and celebrates the partnership with the Professional Association of Diving Instructors (PADI). This model combines vintage aesthetics with modern performance, offering durability, precision, and style for both professional and recreational divers. It belongs to the Prospex Sea collection and is identified as model SPB501.
Movement and precision
The watch runs on an automatic movement with manual winding, caliber 6R55. It has a power reserve of approximately 72 hours (3 days) and a precision of +25 to -15 seconds per day. It also includes 24 jewels in its mechanism.
Construction and materials
The case is made of stainless steel, with a size of 40.0mm, a thickness of 13.0mm, and a lug-to-lug distance of 46.4mm. The crystal is curved sapphire with an anti-reflective coating on the inner surface. The total weight is 174g. The clasp is a three-fold clasp with secure lock, push button release, and solid slide adjuster.
Resistance and functionality
This model offers water resistance of 300m / 1000ft for diving and magnetic resistance of 4,800 A/m. It incorporates LumiBrite on the hands, indexes, and bezel, which guarantees visibility in low light conditions.
In conclusion, the Seiko Prospex Sea SPB501 PADI Special Edition is a watch that honors Seiko's diving heritage while incorporating modern specifications. With its automatic caliber 6R55 movement, 300m water resistance, and functional design details, it stands as a solid option for those seeking a durable, precise, and stylish dive watch.
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