Seiko Prospex SPB210J1 1959 Sports Watch Reinterpretation. Designed for those who treat life as the ultimate adventure, the Seiko Prospex line meets every challenge with technological excellence and style. Movement Caliber Number 6R35 Movement Type Automatic with manual winding Precision +25 to -15 seconds per day Power reserve Approx. 70 hours Jewels 24 Functions Stop second hand function Date display Case/Band Case Material Stainless steel Case Size Thickness: 13.2mm Diameter: 39.5mm Lug-to-lug: 46.4mm Crystal Sapphire crystal with magnifier Crystal Coating Anti-reflective coating on inner surface LumiBrite Lumibrite on hands and index(es) Band Material Calfskin Clasp Three-fold clasp with push button release Distance between lugs 20mm Other Details Water Resistance 20 bar Weight 85.0g Features See-through case back Screw case back Rotating compass inner ring Screw-down crown
