I present a rare example of a SEIKO chronograph watch: the SEIKO 6139-7060 Men's chronograph from the 1970s. It has a large steel round case shape. This is a rare opportunity for SEIKO enthusiasts and collectors. It has a rotating inner bezel. This watch contains aftermarket customisations without permission from the brand. This could impact the watch value and might void manufacturer warranties , Including , polishing , aftermarket dial , hands , bracelet , crystal , bezel insert , inner ring , case back , and pushers. We ask sellers to mention any known aftermarket parts. We do not guarantee water resistance on vintage watches. Please use photos as part of the description. We ask sellers to mention any known aftermarket parts. Accuracy of + or - 5 minutes per day is acceptable for vintage watches. Details Brand: Seiko Model: Speedtimer Chronograph Number of Jewels: 17 Jewels Movement Reference: Seiko 6139 Watch Reference: 651522 Stainless Steel Case Back Seiko Printed Buttons Stainless Steel Case Material: Stainless Steel Mineral Crystal Glass Steel New Seiko Japan Stamped Bracelet: 22 cm Buckle: Original Seiko Stamped Dial: Turquoise Colored Dial, Chronograph, Date Display, Rotating inner bezel . Gender: Male Period: 1970-1979 s Movement: Automatic 6139B Seiko Movement Case Size Excluding Crown: 40 mm Cases Size from Leg to Leg: 44 mm Lug Range: 18 mm Country/Region of Manufacture: Japan Day-Date Calendar: Pump Calendar (French, English) Type: Analog wristwatch The watch works well and all functions work as they should. I wish you a pleasant shopping experience. + or - 5 minute accuracy for old watches acceptable days" Dial, Hands, inner ring are aftermarket. Important: Product Description; - If the automatic movement watch breaks, please shake it for 2-3 minutes before winding it. International Buyers - Please Note; - Please examine the photos carefully. The photos are representative of the product you will receive. - Import duties, taxes and charges are not included in the item price or shipping costs. - These charges are the buyer's responsibility. - Please check with your country's customs office to determine if these additional costs will be charged. Please investigate prior to bidding or buying. - Customs fees are normally collected by the shipping company or collected when the item is delivered. - These fees are not additional shipping costs. - We will not sell items at low value or mark them as gifts at customs. Doing so is against US and international law. Shipping - Shipping Service: FEDEX/UPS - Delivery This is done by selecting the most suitable shipping companies for you from the Catawiki shipping tracking section. Please check your results on your Catawiki tracking page.