I am hereby offering a very rare Seiko 5H23 – 6B90 Contemporary Basic – Men's wristwatch from 1989. Please take a good look at the watch and its specifications before placing a bid. Rare Seiko 5H23 – 6B90 Contemporary Basic – Men's wristwatch – 1989 Dial: Original Glass: Original Crown: Original Diameter: 3.2 cm Lug: 1.7 cm Strap: Original steel strap, 16 cm Papers: no documentation Condition: Watch is in very good condition. It has a few signs of wear, but not a lot, considering its age. A JDM Seiko. Which means that it was never sold outside Japan. Rare version of the 5H23. Fully functional. Battery has recently been replaced. Shipping: Will be shipped insured by registered post.