IWC GST CHRONOGRAPH AUTOMATIC STEEL
IWC "GST Chronograph Automatic," case No. 2925155.
Made circa 2000.
Fine, center seconds, self-winding, water-resistant, stainless
steel diver's wristwatch with round button chronograph,
registers, day/ date, tachometer and a stainless steel IWC link
bracelet with concealed deployant clasp.
Three-body, polished and brushed, screwed-down case
back and crown, domed sapphire crystal.
Black with applied steel indexes and luminous dots,
outer 1/5th seconds track and tachometer scale, subsidiary
dials for the seconds, the 12-hour and 30-minute registers,
apertures for the days of the week and date. Luminous steel
Cal. C.79320, rhodium-plated, 25 jewels, straight-line
lever escapement, monometallic balance, shock absorber,
self-compensating flat balance spring.