Made in Japan Speed Timer Chronograph reference 6139 6010 for Men Circa 1971 Guaranteed Original Vintage Seiko Watch Stainless Steel Size 42mm excluding crown 44mm top to bottom of case 14mm thickness Beautiful Original Dial Stainless Steel Seiko Bracelet will fit 19.5 cm wrist or 7 3/4 inches Thick mineral glass crystal is original Automatic Seiko Movement This watch is in excellent condition the movement functions precisely It is original and will become a perfect vintage collectible treasure