IWC REF. IW544801 PORTOFINO
MOON PHASES STEEL
International Watch & Co. (IWC), Schaffhausen,
"Portofino Manual-Wound," movement No.
3121240, case No. 3337578, Ref. IW544801.
Made circa 2009.
Very fine, large, stainless steel wristwatch with
moon phases and a stainless steel IWC buckle.
Dial, case and movement signed.
Three-body, polished, rounded bezel, straight curved lugs, transparent case back with 8 screws, sapphire crystal.
Matte black with applied white radial Roman numerals, subsidiary dial for the seconds, outer minute divisions, aperture for the moon phases at 12. Steel Breguet hands.
Cal. C 98800, rhodium-plated, fausses cotes decoration, 18 jewels, monometallic balance adjusted to five positions, shock absorber, self-compensating Breguet balance spring, index regulator, hack mechanism.