Vintage Seiko 6347-5010 moon phase Ultra rare Movement: mechanical, automatic Calibre: 6347A Movement number: xxxx Casing diameter: 33.2 mm Lug to lug: 38.4 mm Lug width: 9 mm Strap length: 210 mm incl. timepiece Strap: original strap and Seiko clasp Strap condition: good Back: screwed stainless steel Glass: not original but new Crown: original Casing: with few signs of wear Bezel: no Dial: few signs of wear The timepiece works well without any inaccuracies worth mentioning. Water resistance of the timepiece has not been tested. Service history of the timepiece is not known... Please read the description carefully and look at the pictures in detail. If you have any questions, please contact me. I only ship with tracking number.