Seiko Epson VS75

VS75 is an Epson solar-powered quartz chronograph family. The retrieved VS75B specification documents central one-fifth-second chronograph timing, small running seconds at 9 o’clock, a 60-minute counter at 6 o’clock, a 24-hour hand at 3 o’clock and a quick-setting date. It is a 12-ligne movement with 27.60 mm outside diameter, a 24.00 mm flat dimension, 27.00 mm casing diameter and 4.4 mm height. Expected running time after full charge is approximately six months. The current B sheet specifies secondary battery unit 302334T. The oscillator operates at 32,768 Hz with rated accuracy of ±20 seconds per month.