IWC Portugieser Chronograph Watch - 41.0 mm Stainless Steel Case - Silver Dial - Black Alligator Strap - IW371604 IW458102 Saros annual calendar with date

Saros annual calendar with date at 3 o'clock and month indicated in discrete apertures at each of the 12 hour marks

unidirectional rotatable 18K yellow gold bezel with blue Cerachrom insert and gold coated numerals and graduations

split-seconds chronograph and small seconds at 9 o'clock

Caliber: CRMA1

midnight blue brushed satin strap

IWC Portugieser Chronograph Watch - 41.0 mm Stainless Steel Case - Silver Dial - Black Alligator Strap - IW371604 IW458102 Saros annual calendar with date41. 0 mm stainless steel case, 13. 0 mm thick, see through sapphire glass back, convex sapphire glass crystal with antireflective coating on both sides, silver plated dial, calibre 69355 automatic movement with chronograph, column wheel, hours, minutes, small seconds, approximately 46 hours of power reserve, black alligator leather strap. Water resistant to 3 bar.