Yellow gold-tone 18kt yellow gold case with fixed bezel and 8 screw lugs, equipped with a screw down crown featuring butterfly deployment clasp. Octagon shaped case measuring 42 mm in diameter and 14.55 mm thick is fitted with a blue dial displaying luminescent hands and markers for night readability, along with Arabic numeral hour markers and minute markers around the outer rim. Date indicator at the 3 o'clock position. Sapphire crystal provides scratch resistance. The transparent case back allows viewing of the automatic movement composed of 59 Jewels. Chronograph function includes three sub-dials displaying 12 hours, 30 minutes, and 60 seconds. Water resistant to 100 meters / 330 feet.