Silver-tone stainless steel case and bracelet with fixed silver-tone bezel. Blue dial features silver-tone hands and index hour markers alongside a tachymeter scale on the outer rim. Analog display includes date between 4-5 o'clock. Chronograph function driven by an automatic Hamilton Calibre H-31 movement, equivalent to ETA 7753 with 27 jewels and a power reserve of about 60 hours (bitten at 28800 vph). Equipped with scratch-resistant sapphire crystal, screw-down crown, and transparent case back. Round design measures 42 mm in diameter, approximately 15.22 mm thick; features a 22 mm wide butterfly clasp strap. Water resistant to 100 meters / 330 feet depth. Includes hour, minute, second, date, and chronograph functions (60-second and 30-minute sub-dials). Part of the Jazzmaster Performer Autochrono Blue Dial Mens Watch H36656140 collection.