Seiko Prospex Alpinist Watch SPB210 Jewellery clasp with safety while the screwdown see-through caseback

while the screwdown see-through caseback provides a view of the caliber 6R64 29-jewel automatic movement with manual winding capability

and a power reserve of approximately 50 hours

This best selling style has been ambitiously reinvented with a fully skeletonized dial – providing more transparency into the balance wheel at 6 o’clock and the manufacturing beauty contained within this timepiece

a dual curved sapphire crystal with anti-reflective coating on the inner surface

Seiko Prospex Alpinist Watch SPB210 Jewellery clasp with safety while the screwdown see-through casebackProspex Alpinist. Designed for those who treat life as the ultimate adventure, the Seiko Prospex line meets every challenge with technological excellence and style. Part of a rich legacy of innovation in high intensity timekeeping, Prospex continues to celebrate a long history of sports watch excellence with recreations and reinterpretations of landmark achievements. A modern reimagining of Seiko's first sport watch, introduced in 1959, this