細節
IWC. A stainless steel automatic split seconds pilot's chronograph wristwatch with day and date
Signed IWC, Schaffhausen, Doppelchronograph, Automatic, ref. 3713, case no. 2'887'331, circa 2000
Cal. A/79230 nickel-finished lever movement, 29 jewels, metal dust cap, black dial, Arabic numerals, luminous hands, three subsidiary dials for 30 minutes register and 12 hours registers, constant seconds, two apertures for day and date, large circular water-resistant-type case, screw back, split seconds chronograph mechanism operated by three round buttons in the band, stainless steel IWC buckle, case, dial and movement signed
42 mm. diam.