Seiko SSB175

The Seiko reference SSB175 is a chronograph with a 44.9 mm steel case. The case measures 13 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. A three-fold clasp with push-button release fastens the watch; the dial has LumiBrite on the hands and indices. Movement accuracy is plus or minus 15 seconds per month. The lug width measures 22 mm; elapsed time is measured in increments of 1/5 second. A Hardlex crystal covers the dial.