IWC Portofino Chronograph Automatic 3910-29 Mens Watch - Black Dial

Stainless steel case, black alligator leather strap with tang clasp. Fixed stainless steel bezel. Black dial featuring silver-tone leaf-style hands and index hour markers; Roman numerals at the 6 and 12 o'clock positions. Arabic numeral minute markers every five minutes around the outer rim. Analog display showing hours, minutes, seconds. Day of week indicator and date window both visible at the 3 o'clock position via a small aperture. Chronograph function with three sub-dials: one for measuring elapsed seconds (60-minute capacity), another displaying minutes (30-minute capacity) and the third indicating hours (12-hour capacity). Powered by an IWC Calibre 75320 automatic movement, based on Sellita SW500-1; contains 25 jewels, beats at 28800 vph, approximately 44-hour power reserve. Scratch-resistant sapphire crystal. Pull/push crown for functions and time setting (water resistance: 30 meters / 100 feet). Solid case back. Round case shape measuring 43mm in diameter with a thickness of 13.6mm. Band width is 20mm. Luxury Swiss-made Portofino series watch.