The Supermarine S302 is a versatile mechanical timepiece, housed in a compact 40mm stainless steel Bremont Trip-Tick® case with a domed anti-reflective sapphire crystal, the watch head weighs a mere 79g. Powered by a modified calibre BE-932AV automatic movement, its chronometer rated to ISO 3159 standards, making it a reliable companion for any mission or adventure. • Powered by the chronometer certified automatic movement with 25 jewels and a power reserve of up to 50 hours. • Presented on a black rubber strap with traditional buckle. • Scratch resistant sapphire crystal glass. • 40mm case width. • 300 metre water resistance.