Seiko SGEH68

The Seiko reference SGEH68 has a steel case measuring 40.9 mm across. The case measures 8.6 mm thick, with a water-resistance rating of 100 metres. The movement is quartz calibre 7N42, which contains 1 jewel and has a battery life of approximately 60 months. Over the dial is a sapphire crystal. The watch has a three-fold clasp with a push-button release mechanism. The movement has an accuracy of plus or minus 15 seconds per month. The case has a lug width of 20 mm. The hands and indices carry LumiBrite.