The Nautical Chronograph 45mmis a watch built for land, sea or anywhere in between. The 316L stainless steel case is rose gold PVD plated and is assembled and tested for water-resistance of up to 100 meters. The grey dial elevates the look of this classic design and features Swiss Super-Luminova® markings and indices for high legibility. The brown Italian leather strap is the perfect complement to the Nautical Chronograph 45mm. Fitted with quick release pins, the interchangeable strap is compatible with any Jack Mason 22mm strap. This Nautical Chronograph 45mm features a Miyota 6S20 movement.