Seiko SSB259

The Seiko reference SSB259 is a chronograph with a 44 mm steel case. The case carries a water-resistance rating of 100 metres. Quartz calibre 8T67 has a battery life of approximately 36 months; the dial is covered by a Hardlex crystal. The dial has a date display, small seconds and a tachymeter. The watch has a three-fold clasp with push-button release; 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. The dial has LumiBrite on the hands and indices.