The Seiko 7N42 quartz watch movement is a gents’ 11½ ligne, three-hand movement featuring hour, minute, and sweep-second hands, with a date display located at the 3 o’clock position. It measures 21.90 mm × 23.50 mm with a thickness of 2.90 mm and uses hand sizes of 110/65/20 (hour/minute/second). This movement contains one jewel, operates on a 371 battery, and is supplied with a stem. The stem is part number 351-892 and has a 0.80 mm tap (tap 11).
