Seiko SRWZ26P9

The Seiko reference SRWZ26P9 is a chronograph with a 45.6 mm case. The case is 11.7 mm thick, with a lug-to-lug measurement of 56 mm and a water-resistance rating of 100 metres. The movement is quartz calibre 7T12, which has a battery life of approximately 60 months. The watch has a sapphire crystal; the dial has a date display. LumiBrite is applied to the hands. Movement accuracy is plus or minus 15 seconds per month. Elapsed time is measured in increments of 1/5 second. Fastening is by a three-fold clasp with push-button release.