Marinemaster - 42 mm | reference 670.15.45 LP The Aquatis Marinemaster has a really high quality retro appearance and is based on models of the 1940’s. Dimensionally the watch displays modest proportions and has a diameter measuring 42mm. What makes this timepiece so interesting is the matt black dial, with contrasting large blue numerals and white indexes. This superb characteristic gives the watch a really high quality and sporty appearance. Other features include a two-piece 316L polished steel case, rotating bezel and anti-reflective sapphire crystal lens. Powering the watch is a Swiss made self-winding ETA 2836-2 mechanical movement. The calibre comprises 25-jewels and oscillates at a frequency of 28,800 vibrations per hour (4Hz). Specifications: - Fortis was one of the leading forces in the development of water resistant watches - Traditional submarine motive indicating the Marinemaster collection embossed in the caseback - the first Marinemaster models appeared on the international market in the 1940's - The characteristic turning bezel and distinct crown are designed for perfect handling under extreme conditions Movement: Automatic Swiss movement, ETA 2836-2 Dial/hands: Numbers, indices and hands coated with white Superluminova, blue afterglow Case: 42 mm stainless steel, sapphire crystal, anti-reflective coating on both sides, water resistant 20 bar Functions: Unidirectional turning bezel, colored 15 minute scale, hour, minute and second hand, day/date indication, bilingual German and EnglishPackaging: Leather box, instruction manual including international warranty Options: Leather strap, leather performance strap, metal bracelet, rubber strap