Seiko SSB283

The Seiko reference SSB283 is a chronograph with a 44 mm steel case. The case measures 10 mm thick, with a water-resistance rating of 100 metres. Quartz calibre 8T67 has a battery life of approximately 36 months. The dial has a date display, small seconds and a tachymeter. The watch has a three-fold clasp with push-button release; the hands and indices carry LumiBrite. Movement accuracy is plus or minus 15 seconds per month. The case has a hard coating; the lug width measures 22 mm; elapsed time is measured in increments of 1/5 second. A Hardlex crystal covers the dial.