Japan made Seiko 6309 diver's watch from the 1985's. One of the most classic and popular of Seiko's diving watches. The Seiko 6309-7290 was the first 6309 diver with the less curved case. This makes is look at little more modern and is more comfortable to wear on the average wrist. The most important improvement introduced in the 6309 was the screw fix crown which improved water resistance. Perfect Case ,glass and rotating bezel. . Keeping good tıme and works perfectly. The deviation on the test machine shows +/- "0" seconds per 24 hours. See photo. Movement: Automatic, Seiko 17 jewels 6309A series. Case: Steel Diameter: 42 mm wide, excl. crown. 45 mm long. Crystal: Original crystal, no scratches. Lug size: 22 mm Strap: silicone, aftermarket Seiko. No box or paperwork. The case back on this watch maybe is not original. Dial , inner chapter ring , bezel insert and probably the hands are all after market. It will be sent as very-well packaged via Express Courier (DHL, TNT or UPS) with the tracking code. In this way, your gift will be delivered to yourself/her/him in a few days after the auction. *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.)