I offer a rare sample of SEIKO chronograph watches: SEIKO 6139-7060 Men's Chronograph from 1970s. It has big steel round face shape case. This is a rare opportunity for SEIKO lovers and collectors. It has a rotatable inner bezel and comes with its original steel band. Movement: Cal. 6139B Japan - 17 Jewels Instructions: Upper button starts and stops chronometer second and lower button reset it after stopping. Pushing crown sets the date and pushing harder sets both of day and date quickly. Case-Size: 40.5mm (without crown), Lug-to-Lug: 43.7mm Band-Size: Bracelet band fits up to 19.5-20cm (wrist size), Lug: 18mm Condition: Very Good. There are tiny signs of wear on case and back, however mostly unnoticeable. Clean dial. Fully functional and working. Only reset 1 second forward (see the photos when big hand stops at 12). Please look at photos carefully. Accessories: The watch comes with holey silicon band as seen in the photos. No box and paper. It will be sent as very-well packaged via Express Courier (DHL, TNT or UPS) with the tracking code. In this way, your order will be delivered to your only in a few days. *Delivery Times: Europe: 2-5 BD, America: 3-8 BD, Other Countries: 3-10 BD *(BD: Business Days. Delivery times are estimated and may differ (esp. in holiday seasons) because of conditions that out of our control. Customs duties are buyer's responsibility.)