The Seiko YM24 quartz watch movement is a gents 12 ligne world time and alarm caliber featuring two central hands for hour and minute along with an alarm subdial with hour and minute at 6 o’clock a small seconds subdial at 9 o’clock and a calendar window at 3 o’clock. It includes a single pusher at the 4 o’clock position for alarm operation. This movement measures 27.60 mm × 24.00 mm with a height of 3.70 mm. It uses a 395 battery stem part number 351 584 and hand sizes 110/65/21/90/65.