Very large men's watch in solid matted steel. The diameter is approx. 40 mm without the crown. The movement of the wrist charges the capacitor. Google the user manual with --- Seiko cal. 7D48 A battery is never needed. ref. SNP005 This nice men's watch is obviously almost never worn. Dial in black with checkered pattern and as new. Large window for the date, extra registers for the months and the 24 hour indication. Furthermore, the leap year indication in the window at 9 o' clock. Hardened sapphire glass without scratches, screwed steel Seiko premier base. With behind this, the original Seiko 7D48 kinetic- movement. The original Seiko strap with folding clasp is suitable for wrists to 19.5 cm. Extra link in the box -> 20 cm. In brief: a young Seiko with the newest technology, complete with the original box (10 x 10 x 10 cm) and extra links. Visibly hardly worn and a very sturdy men's watch! 3 month warranty! Will be shipped by registered mail.