Seiko HBB001J Classic Series Watch

Seiko HBB001J. Case: stainless steel, Thickness:12.3mm width:41.7mm length:49.5mm, Hardlex. Water resistance: 200m water resistant for air diving. Movement: 4R35, automatic mechanical movement (can be hand-wound), 23 jewels, when fully wound, approx. 41 hours of running time, daily rate＋45 seconds～－35 seconds.