Seiko Premier Chonograph Automatic Winding Men's Watch SSA023J1

Model: SSA023J1

Hand-winding and automatic winding capabilities
21,600 vibrations per hour
Gold-plated balance wheel
24-hour indicator Power reserve: 41 hours
24 jewels
Sapphire crystal
Screwdown See-Thru caseback
Case Size 40.5mm
Caliber 4R39

Packaging: New in box with manual