Seiko SRK048

The Seiko reference SRK048 has a case measuring 39 mm across. The case has a thickness of 8 mm, with a water-resistance rating of 50 metres. The movement is quartz calibre 6G28, which has a battery life of approximately 36 months. The folding clasp has a three-fold construction and a push-button release mechanism. The movement has an accuracy of plus or minus 20 seconds per month. The distance between the lugs measures 20 mm. The dial is covered by a sapphire crystal.