The complete IWC Pilot series IW377714 blue dial Little Prince automatic mechanical watch has a diameter of 43mm. It is a classic and timeless watch that is suitable for both casual and business use • Case size: Stainless steel case, 15.4mm thick, 60-meter water resistance for daily use • Dial design: Deep sea blue matte dial, luminous Arabic numeral hour markers, triangular flight markers (at 12 o 'clock), three-eye chronograph layout; The 3 o 'clock position integrates a dual calendar window for day of the week and date • Strap configuration: Original factory brownish cowhide stitched strap, 21mm lug spacing, retro workwear style Movement: Cal.79320 automatic mechanical movement (improved from the 7750 chronograph movement, 25 gemstone bearings, 44-hour power reserve), with a soft iron inner case for magnetic resistance