Zenith. A fine stainless steel automatic wristwatch with chronograph and power reserve
Star El Primero Open Love, ChronoMaster, Ref: 03 1230 4021, Circa 2004
39-jewel, Cal. El Primero 4021 automatic movement, 50 hours power reserve, straight line lever escapement, monometallic balance, shock protection, column wheel chronograph, a heart opening aperture between 9 and 11 to show the escapement movement, power reserve indication, pink dial with Arabic numerals, 5 minute divisions, subsidiaries for 30 minute, polished steel case with back held by 4 screws, rectangular chronograph pushers, sapphire crystal, fitted satin strap with original folding buckle, case dial and movement signed 37.5mm.