The Panerai Radiomir 1940 3 Days Marina Militare replica is a Special Edition that reinvents the essential lines of this case with the addition of a number of details which links this new model with those created for the Italian Navy in the 1940s. The sapphire crystal case-back allows the P.3000 Manufacture calibre to be admired.
Around the 1940s the radiomir 1940 3 days marina militare acciaio replica watch workshops in Florence perfected a new case, designed to meet to the increasingly demanding requirements of the underwater commandos of the Italian Navy. The case was a development of the first one presented in 1936 and it incorporated several innovations designed to make it more solid and resistant. The simplicity of the design gives the watch’s form an absolute modernity. Timeless with perfect Italian style.
Since 1938, the Panerai dials underwent a series of modifications to make it even more visible in the most extreme usage conditions. The original Panerai dial went from a single plate with the markers and numerals engraved on it and filled with self-luminous paste to the creation of the so-called ‘sandwich’ dial. The sandwich construction has been progressively further adjusted and is currently made of two superimposed plates. To achieve optimum luminescence, Panerai uses today the Swiss Grade A Super-LumiNova®.
The P.3000 calibre, created entirely at the radiomir 1940 3 days panerai replica Manufacture, presents the main characteristics of the Panerai movements in terms of structure and robustness, accuracy and power reserve. The diameter of the calibre is 16½ lignes, a substantial size which traces its origins from that of the movements which were fitted to the historic Panerai models. The calibre is immediately recognisable by its construction, which is similar to that of a three-quarter plate movement: a large bridge, next to another smaller one, covers the majority of the mechanical parts, and is fixed to the bottom plate by a series of screws of substantial thickness, thus forming a particularly rigid structure. The movement has 21 jewels and it uses two spring barrels connected in series. Such an arrangement enables long, thin springs to be used, which ensure the delivery of a more even force over a longer period of time, with a power reserve of 3 days. The balance wheel is notably large (13.2 mm) and it is the variable inertia type, with four adjusting screws arranged externally round the ring, so that the rate can be regulated without the need to remove the whole assembly. Held by a bridge with twin supports – a fixing much safer and more stable compared to the cantilevered single bridge – the balance wheel oscillates at a frequency of 3 Hz, equivalent to 21,600 alternations per hour. It is fitted with an Incabloc® anti-shock device and is free-sprung, so there is no regulating lever. With brush-finished bridges and chamfered edges – that is, with the edges smoothed and polished – the P.3000 calibre is also fitted with a device for the rapid adjustment of the time: a star wheel with 12 points and a small spring clutch enable the hour hand to be moved one hour at a time, without interfering with the movement of the minute hand or the operation of the watch.
MOVEMENT Hand-wound mechanical, Panerai P.3000 calibre
FUNCTIONS Hours, minutes.
CASE Diameter 47 mm, AISI 316L polished steel. Screw-down winding crown personalised OP.
BEZEL Polished steel.
BACK See-through sapphire crystal.
DIAL Black with luminous Arabic numerals and hour markers.
WATER-RESISTANCE 10 bar (100 metres).
STRAP PANERAI personalised leather strap and trapezoidal polished steel buckle.