Seiko 4R36

The Seiko 4R36 is a automatic watch movement with operating at 21600 vibrations per hour (6.00 Hz), a 41-hour power reserve, 24 jewels, dimensions of 27.4mm × 5.32mm, hacking, handwinding, day, date complications. Manufactured in Japan. This movement powers the Seiko SRPD63K1. among 90 total watches.