SEIKO SSB379

 Caliber 8T67 Quartz Movement: ±15 s/mo accuracy; \~3 yr battery; small-seconds hand, 12 hr chronograph (1/5 s), date
 Case: 41.5 mm Ø × 12.1 mm thick; 46.5 mm lug-to-lug; stainless steel with Hardlex crystal
 Water Resistance: 10 bar (100 m)
 Strap & Clasp: 22 mm lug width; three-fold push-button release clasp
 Weight: 136 g
 Case Back: Screw-down