Description
Seiko Prospex Alpinist Automatic SPB503J – The Spirit of Discovery Refined
The Seiko Prospex Alpinist Automatic SPB503J celebrates Seiko’s legacy of precision and adventure. Built for explorers and crafted for everyday style, this watch combines rugged reliability with timeless elegance.
Powered by the automatic calibre 6R35, it offers a remarkable 70-hour power reserve and excellent accuracy. The self-winding movement also supports manual winding, giving wearers full control and dependable performance wherever they go.
The cool blue sunburst dial stands out with its refined finish and clean layout. Silver-tone hands and markers, coated in Lumibrite, ensure clear visibility in both bright and low-light conditions. In addition, a rotating inner compass bezel and date display at 3 o’clock enhance the watch’s practicality and sense of adventure.
The stainless-steel 39.5 mm case combines strength with comfort. Moreover, the box-shaped sapphire crystal includes an anti-reflective coating for superior clarity and scratch resistance. The blue leather strap complements the dial perfectly, allowing this watch to transition smoothly from outdoor exploration to professional settings.
With 200 metres of water resistance, the SPB503J is ready for hiking, travel, and daily wear. It is both durable and versatile — a true companion for any journey. Purchases from the SEIKO Boutique and official Online Store include a 3-year limited guarantee, offering confidence and peace of mind.
Dispatch will take place in November-December 2025 with full tracking

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