A FINE AND SPECIAL EDITION STAINLESS STEEL WRISTWATCH WITH REGULATOR-STYLE DIAL, IWC, 'PORTUGUESE REGULATEUR', NO 28/100, RETAILED BY WEMPE, CIRCA 2005

three-quarter plate nickel lever movement (Calibre 98240 Jones) with special engraving, 22 jewels, glucydur balance with compensation screws, Nivarox 1 balance spring with a Breguet overcoil, elongated precision adjustment index, matte silvered dial with Roman and Arabic numerals, outer minute track, blued steel hands, two subsidiary dials, one for hour indication at 12 and small seconds at 6; brushed circular water-resistant type case with stepped bezel and down-turned lugs, sapphire crystal display back secured by 6 screws, case, dial and movement signed IWC, dial further signed Wempe, with a stainless steel IWC buckle.

The Jones calibre was developed by the founder of IWC, F.A. Jones and was originally designed for pocket watches. One of the main features in the movement is the elongated index, known as the 'Jones Arrow' which extends from the balance wheel cock to the three-quarter plate.

The present lot is number 28 out of a limited edition of 100 pieces in stainless steel.